diff --git a/brightray/.gitignore b/brightray/.gitignore
index 3f04a5e2f1b3..859306a729e5 100644
--- a/brightray/.gitignore
+++ b/brightray/.gitignore
@@ -2,6 +2,8 @@
 /brightray.sdf
 /brightray.sln
 /brightray.vcxproj*
+/brightray.suo
+/brightray.v12.suo
 /brightray.xcodeproj/
 /build/
 
diff --git a/brightray/brightray.gyp b/brightray/brightray.gyp
index 8dd2a64ce089..d7ae15b9ffc2 100644
--- a/brightray/brightray.gyp
+++ b/brightray/brightray.gyp
@@ -12,17 +12,21 @@
       'include_dirs': [
         '.',
         '<(libchromiumcontent_include_dir)',
-        '<(libchromiumcontent_include_dir)/third_party/skia/include/config',
+        '<(libchromiumcontent_include_dir)/skia/config',
         '<(libchromiumcontent_include_dir)/third_party/skia/include/core',
+        '<(libchromiumcontent_include_dir)/third_party/WebKit',
+        '<(libchromiumcontent_library_dir)/gen',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
+          '.',
           '..',
           '<(libchromiumcontent_include_dir)',
-          '<(libchromiumcontent_include_dir)/third_party/skia/include/config',
-          # For SkMatrix.h.
+          '<(libchromiumcontent_include_dir)/skia/config',
           '<(libchromiumcontent_include_dir)/third_party/skia/include/core',
           '<(libchromiumcontent_include_dir)/third_party/icu/source/common',
+          '<(libchromiumcontent_include_dir)/third_party/WebKit',
+          '<(libchromiumcontent_library_dir)/gen',
         ],
       },
       'sources': [
@@ -113,6 +117,7 @@
           'link_settings': {
             'libraries': [
               '<(brightray_source_root)/<(libchromiumcontent_library_dir)/base_static.lib',
+              '<(brightray_source_root)/<(libchromiumcontent_library_dir)/chromiumviews.lib',
               '<(brightray_source_root)/<(libchromiumcontent_library_dir)/chromiumcontent.dll.lib',
               '<(brightray_source_root)/<(libchromiumcontent_library_dir)/sandbox_static.lib',
             ],
diff --git a/brightray/brightray.gypi b/brightray/brightray.gypi
index daf5f2737cf5..b73a7ea07651 100644
--- a/brightray/brightray.gypi
+++ b/brightray/brightray.gypi
@@ -72,11 +72,21 @@
           'VCLinkerTool': {
             'AdditionalDependencies': [
               'advapi32.lib',
+              'dwmapi.lib',
+              'gdi32.lib',
+              'oleacc.lib',
               'user32.lib',
             ],
           },
         },
         'conditions': [
+          ['OS=="win"', {
+            'defines': [
+              'USE_AURA',
+              'VIEWS_IMPLEMENTATION',
+              'WEBVIEW_IMPLEMENTATION',
+            ],
+          }],
           ['OS not in ["mac", "win"]', {
             'defines': [
               'USE_X11',
diff --git a/brightray/browser/browser_client.cc b/brightray/browser/browser_client.cc
index 82c0d7acb5f0..fabd51cc74cd 100644
--- a/brightray/browser/browser_client.cc
+++ b/brightray/browser/browser_client.cc
@@ -56,9 +56,10 @@ content::BrowserMainParts* BrowserClient::CreateBrowserMainParts(
 
 net::URLRequestContextGetter* BrowserClient::CreateRequestContext(
     content::BrowserContext* browser_context,
-    content::ProtocolHandlerMap* protocol_handlers) {
+    content::ProtocolHandlerMap* protocol_handlers,
+    content::ProtocolHandlerScopedVector protocol_interceptors) {
   auto context = static_cast<BrowserContext*>(browser_context);
-  return context->CreateRequestContext(protocol_handlers);
+  return context->CreateRequestContext(protocol_handlers, protocol_interceptors.Pass());
 }
 
 void BrowserClient::ShowDesktopNotification(
diff --git a/brightray/browser/browser_client.h b/brightray/browser/browser_client.h
index 41a3861f61f2..42a7380a63c3 100644
--- a/brightray/browser/browser_client.h
+++ b/brightray/browser/browser_client.h
@@ -34,7 +34,9 @@ class BrowserClient : public content::ContentBrowserClient {
   // Subclasses that override this (e.g., to provide their own protocol
   // handlers) should call this implementation after doing their own work.
   virtual net::URLRequestContextGetter* CreateRequestContext(
-      content::BrowserContext*, content::ProtocolHandlerMap*) OVERRIDE;
+      content::BrowserContext* browser_context,
+      content::ProtocolHandlerMap* protocol_handlers,
+      content::ProtocolHandlerScopedVector protocol_interceptors) OVERRIDE;
 
  private:
   virtual content::BrowserMainParts* CreateBrowserMainParts(
diff --git a/brightray/browser/browser_context.cc b/brightray/browser/browser_context.cc
index 4970530d7bff..d82f4bc256ed 100644
--- a/brightray/browser/browser_context.cc
+++ b/brightray/browser/browser_context.cc
@@ -16,7 +16,7 @@
 #include "base/prefs/json_pref_store.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
-#include "base/prefs/pref_service_builder.h"
+#include "base/prefs/pref_service_factory.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/browser/storage_partition.h"
@@ -76,8 +76,8 @@ void BrowserContext::Initialize() {
   path_ = path.Append(base::FilePath::FromUTF8Unsafe(GetApplicationName()));
 
   auto prefs_path = GetPath().Append(FILE_PATH_LITERAL("Preferences"));
-  PrefServiceBuilder builder;
-  builder.WithUserFilePrefs(prefs_path,
+  base::PrefServiceFactory prefs_factory;
+  prefs_factory.SetUserPrefsFile(prefs_path,
       JsonPrefStore::GetTaskRunnerForFile(
           prefs_path, content::BrowserThread::GetBlockingPool()));
 
@@ -85,7 +85,7 @@ void BrowserContext::Initialize() {
   RegisterInternalPrefs(registry);
   RegisterPrefs(registry);
 
-  prefs_.reset(builder.Create(registry));
+  prefs_ = prefs_factory.Create(registry);
 }
 
 BrowserContext::~BrowserContext() {
@@ -99,7 +99,8 @@ void BrowserContext::RegisterInternalPrefs(PrefRegistrySimple* registry) {
 }
 
 net::URLRequestContextGetter* BrowserContext::CreateRequestContext(
-    content::ProtocolHandlerMap* protocol_handlers) {
+    content::ProtocolHandlerMap* protocol_handlers,
+    content::ProtocolHandlerScopedVector protocol_interceptors) {
   DCHECK(!url_request_getter_);
   auto io_loop = content::BrowserThread::UnsafeGetMessageLoopForThread(
       content::BrowserThread::IO);
@@ -110,7 +111,8 @@ net::URLRequestContextGetter* BrowserContext::CreateRequestContext(
       io_loop,
       file_loop,
       base::Bind(&BrowserContext::CreateNetworkDelegate, base::Unretained(this)),
-      protocol_handlers);
+      protocol_handlers,
+      protocol_interceptors.Pass());
   resource_context_->set_url_request_context_getter(url_request_getter_.get());
   return url_request_getter_.get();
 }
@@ -153,14 +155,36 @@ net::URLRequestContextGetter*
   return GetRequestContext();
 }
 
-void BrowserContext::RequestMIDISysExPermission(
+void BrowserContext::RequestMidiSysExPermission(
     int render_process_id,
     int render_view_id,
+    int bridge_id,
     const GURL& requesting_frame,
-    const MIDISysExPermissionCallback& callback) {
+    bool user_gesture,
+    const MidiSysExPermissionCallback& callback) {
   callback.Run(false);
 }
 
+void BrowserContext::CancelMidiSysExPermissionRequest(
+    int render_process_id,
+    int render_view_id,
+    int bridge_id,
+    const GURL& requesting_frame) {
+}
+
+void BrowserContext::RequestProtectedMediaIdentifierPermission(
+    int render_process_id,
+    int render_view_id,
+    int bridge_id,
+    int group_id,
+    const GURL& requesting_frame,
+    const ProtectedMediaIdentifierPermissionCallback& callback) {
+  callback.Run(false);
+}
+
+void BrowserContext::CancelProtectedMediaIdentifierPermissionRequests(int group_id) {
+}
+
 content::ResourceContext* BrowserContext::GetResourceContext() {
   return resource_context_.get();
 }
diff --git a/brightray/browser/browser_context.h b/brightray/browser/browser_context.h
index b92deb75c574..a43d2380da10 100644
--- a/brightray/browser/browser_context.h
+++ b/brightray/browser/browser_context.h
@@ -25,7 +25,8 @@ class BrowserContext : public content::BrowserContext {
   virtual void Initialize();
 
   net::URLRequestContextGetter* CreateRequestContext(
-      content::ProtocolHandlerMap*);
+      content::ProtocolHandlerMap* protocol_handlers,
+      content::ProtocolHandlerScopedVector protocol_interceptors);
 
   PrefService* prefs() { return prefs_.get(); }
 
@@ -54,11 +55,26 @@ class BrowserContext : public content::BrowserContext {
   virtual net::URLRequestContextGetter*
       GetMediaRequestContextForStoragePartition(
           const base::FilePath& partition_path, bool in_memory);
-  virtual void RequestMIDISysExPermission(
+  virtual void RequestMidiSysExPermission(
       int render_process_id,
       int render_view_id,
+      int bridge_id,
       const GURL& requesting_frame,
-      const MIDISysExPermissionCallback&) OVERRIDE;
+      bool user_gesture,
+      const MidiSysExPermissionCallback& callback) OVERRIDE;
+  virtual void CancelMidiSysExPermissionRequest(
+      int render_process_id,
+      int render_view_id,
+      int bridge_id,
+      const GURL& requesting_frame) OVERRIDE;
+  virtual void RequestProtectedMediaIdentifierPermission(
+      int render_process_id,
+      int render_view_id,
+      int bridge_id,
+      int group_id,
+      const GURL& requesting_frame,
+      const ProtectedMediaIdentifierPermissionCallback& callback) OVERRIDE;
+  virtual void CancelProtectedMediaIdentifierPermissionRequests(int group_id) OVERRIDE;
   virtual content::ResourceContext* GetResourceContext() OVERRIDE;
   virtual content::DownloadManagerDelegate*
       GetDownloadManagerDelegate() OVERRIDE;
diff --git a/brightray/browser/browser_main_parts.cc b/brightray/browser/browser_main_parts.cc
index 8601b0426cdb..ceee0d51e6a3 100644
--- a/brightray/browser/browser_main_parts.cc
+++ b/brightray/browser/browser_main_parts.cc
@@ -7,6 +7,8 @@
 #include "browser/browser_context.h"
 #include "browser/web_ui_controller_factory.h"
 #include "net/proxy/proxy_resolver_v8.h"
+#include "ui/gfx/screen.h"
+#include "ui/views/widget/desktop_aura/desktop_screen.h"
 
 namespace brightray {
 
@@ -24,6 +26,10 @@ void BrowserMainParts::PreMainMessageLoopRun() {
       new WebUIControllerFactory(browser_context_.get()));
   content::WebUIControllerFactory::RegisterFactory(
       web_ui_controller_factory_.get());
+
+#if defined(OS_WIN)
+  gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, views::CreateDesktopScreen());
+#endif
 }
 
 void BrowserMainParts::PostMainMessageLoopRun() {
diff --git a/brightray/browser/inspectable_web_contents_impl.cc b/brightray/browser/inspectable_web_contents_impl.cc
index 1ccb4e1054d4..739acf44ecb1 100644
--- a/brightray/browser/inspectable_web_contents_impl.cc
+++ b/brightray/browser/inspectable_web_contents_impl.cc
@@ -117,7 +117,7 @@ void InspectableWebContentsImpl::UpdateFrontendDockSide() {
   auto javascript = base::StringPrintf(
       "InspectorFrontendAPI.setDockSide(\"%s\")", dock_side_.c_str());
   devtools_web_contents_->GetRenderViewHost()->ExecuteJavascriptInWebFrame(
-      string16(), ASCIIToUTF16(javascript));
+      base::string16(), base::ASCIIToUTF16(javascript));
 }
 
 void InspectableWebContentsImpl::ActivateWindow() {
diff --git a/brightray/browser/media/media_capture_devices_dispatcher.cc b/brightray/browser/media/media_capture_devices_dispatcher.cc
index eb3e6731a27f..65ea4b94be9c 100644
--- a/brightray/browser/media/media_capture_devices_dispatcher.cc
+++ b/brightray/browser/media/media_capture_devices_dispatcher.cc
@@ -6,8 +6,7 @@
 
 #include "base/logging.h"
 #include "content/public/browser/browser_thread.h"
-#include "content/public/browser/media_devices_monitor.h"
-#include "content/public/common/desktop_media_id.h"
+#include "content/public/browser/media_capture_devices.h"
 #include "content/public/common/media_stream_request.h"
 
 namespace brightray {
@@ -30,6 +29,11 @@ const content::MediaStreamDevice* FindDeviceWithId(
   return NULL;
 }
 
+const MediaStreamDevices& EmptyDevices() {
+  static MediaStreamDevices* devices = new MediaStreamDevices;
+  return *devices;
+}
+
 }  // namespace
 
 MediaCaptureDevicesDispatcher* MediaCaptureDevicesDispatcher::GetInstance() {
@@ -37,8 +41,7 @@ MediaCaptureDevicesDispatcher* MediaCaptureDevicesDispatcher::GetInstance() {
 }
 
 MediaCaptureDevicesDispatcher::MediaCaptureDevicesDispatcher()
-    : devices_enumerated_(false),
-      is_device_enumeration_disabled_(false) {
+    : is_device_enumeration_disabled_(false) {
   // MediaCaptureDevicesDispatcher is a singleton. It should be created on
   // UI thread.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ -49,21 +52,17 @@ MediaCaptureDevicesDispatcher::~MediaCaptureDevicesDispatcher() {}
 const MediaStreamDevices&
 MediaCaptureDevicesDispatcher::GetAudioCaptureDevices() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  if (!is_device_enumeration_disabled_ && !devices_enumerated_) {
-    content::EnsureMonitorCaptureDevices();
-    devices_enumerated_ = true;
-  }
-  return audio_devices_;
+  if (is_device_enumeration_disabled_)
+    return EmptyDevices();
+  return content::MediaCaptureDevices::GetInstance()->GetAudioCaptureDevices();
 }
 
 const MediaStreamDevices&
 MediaCaptureDevicesDispatcher::GetVideoCaptureDevices() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  if (!is_device_enumeration_disabled_ && !devices_enumerated_) {
-    content::EnsureMonitorCaptureDevices();
-    devices_enumerated_ = true;
-  }
-  return video_devices_;
+  if (is_device_enumeration_disabled_)
+    return EmptyDevices();
+  return content::MediaCaptureDevices::GetInstance()->GetVideoCaptureDevices();
 }
 
 void MediaCaptureDevicesDispatcher::GetDefaultDevices(
@@ -128,36 +127,33 @@ void MediaCaptureDevicesDispatcher::DisableDeviceEnumerationForTesting() {
   is_device_enumeration_disabled_ = true;
 }
 
-void MediaCaptureDevicesDispatcher::OnAudioCaptureDevicesChanged(
-    const content::MediaStreamDevices& devices) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&MediaCaptureDevicesDispatcher::UpdateAudioDevicesOnUIThread,
-                 base::Unretained(this), devices));
+void MediaCaptureDevicesDispatcher::OnAudioCaptureDevicesChanged() {
 }
 
-void MediaCaptureDevicesDispatcher::OnVideoCaptureDevicesChanged(
-    const content::MediaStreamDevices& devices) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&MediaCaptureDevicesDispatcher::UpdateVideoDevicesOnUIThread,
-                 base::Unretained(this), devices));
+void MediaCaptureDevicesDispatcher::OnVideoCaptureDevicesChanged() {
 }
 
 void MediaCaptureDevicesDispatcher::OnMediaRequestStateChanged(
     int render_process_id,
     int render_view_id,
     int page_request_id,
+    const GURL& security_origin,
     const content::MediaStreamDevice& device,
     content::MediaRequestState state) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 }
 
-void MediaCaptureDevicesDispatcher::OnAudioStreamPlayingChanged(
-    int render_process_id, int render_view_id, int stream_id,
-    bool is_playing, float power_dbfs, bool clipped) {
+void MediaCaptureDevicesDispatcher::OnAudioStreamPlaying(
+    int render_process_id,
+    int render_frame_id,
+    int stream_id,
+    const ReadPowerAndClipCallback& power_read_callback) {
+}
+
+void MediaCaptureDevicesDispatcher::OnAudioStreamStopped(
+    int render_process_id,
+    int render_frame_id,
+    int stream_id) {
 }
 
 void MediaCaptureDevicesDispatcher::OnCreatingAudioStream(
@@ -166,18 +162,4 @@ void MediaCaptureDevicesDispatcher::OnCreatingAudioStream(
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 }
 
-void MediaCaptureDevicesDispatcher::UpdateAudioDevicesOnUIThread(
-    const content::MediaStreamDevices& devices) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  devices_enumerated_ = true;
-  audio_devices_ = devices;
-}
-
-void MediaCaptureDevicesDispatcher::UpdateVideoDevicesOnUIThread(
-    const content::MediaStreamDevices& devices) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  devices_enumerated_ = true;
-  video_devices_ = devices;
-}
-
 }  // namespace brightray
diff --git a/brightray/browser/media/media_capture_devices_dispatcher.h b/brightray/browser/media/media_capture_devices_dispatcher.h
index d10c27df1bc3..3b29fae4701a 100644
--- a/brightray/browser/media/media_capture_devices_dispatcher.h
+++ b/brightray/browser/media/media_capture_devices_dispatcher.h
@@ -51,23 +51,24 @@ class MediaCaptureDevicesDispatcher : public content::MediaObserver {
   void DisableDeviceEnumerationForTesting();
 
   // Overridden from content::MediaObserver:
-  virtual void OnAudioCaptureDevicesChanged(
-      const content::MediaStreamDevices& devices) OVERRIDE;
-  virtual void OnVideoCaptureDevicesChanged(
-      const content::MediaStreamDevices& devices) OVERRIDE;
+  virtual void OnAudioCaptureDevicesChanged() OVERRIDE;
+  virtual void OnVideoCaptureDevicesChanged() OVERRIDE;
   virtual void OnMediaRequestStateChanged(
       int render_process_id,
       int render_view_id,
       int page_request_id,
+      const GURL& security_origin,
       const content::MediaStreamDevice& device,
       content::MediaRequestState state) OVERRIDE;
-  virtual void OnAudioStreamPlayingChanged(
+  virtual void OnAudioStreamPlaying(
       int render_process_id,
-      int render_view_id,
+      int render_frame_id,
       int stream_id,
-      bool is_playing,
-      float power_dBFS,
-      bool clipped) OVERRIDE;
+      const ReadPowerAndClipCallback& power_read_callback) OVERRIDE;
+  virtual void OnAudioStreamStopped(
+      int render_process_id,
+      int render_frame_id,
+      int stream_id) OVERRIDE;
   virtual void OnCreatingAudioStream(int render_process_id,
                                      int render_view_id) OVERRIDE;
 
@@ -77,20 +78,6 @@ class MediaCaptureDevicesDispatcher : public content::MediaObserver {
   MediaCaptureDevicesDispatcher();
   virtual ~MediaCaptureDevicesDispatcher();
 
-  // Called by the MediaObserver() functions, executed on UI thread.
-  void UpdateAudioDevicesOnUIThread(const content::MediaStreamDevices& devices);
-  void UpdateVideoDevicesOnUIThread(const content::MediaStreamDevices& devices);
-
-  // A list of cached audio capture devices.
-  content::MediaStreamDevices audio_devices_;
-
-  // A list of cached video capture devices.
-  content::MediaStreamDevices video_devices_;
-
-  // Flag to indicate if device enumeration has been done/doing.
-  // Only accessed on UI thread.
-  bool devices_enumerated_;
-
   // Flag used by unittests to disable device enumeration.
   bool is_device_enumeration_disabled_;
 
diff --git a/brightray/browser/media/media_stream_devices_controller.cc b/brightray/browser/media/media_stream_devices_controller.cc
index a85c1c928d46..22fb0d1310de 100644
--- a/brightray/browser/media/media_stream_devices_controller.cc
+++ b/brightray/browser/media/media_stream_devices_controller.cc
@@ -41,6 +41,7 @@ MediaStreamDevicesController::MediaStreamDevicesController(
 MediaStreamDevicesController::~MediaStreamDevicesController() {
   if (!callback_.is_null()) {
     callback_.Run(content::MediaStreamDevices(),
+                  content::MEDIA_DEVICE_INVALID_STATE,
                   scoped_ptr<content::MediaStreamUI>());
   }
 }
@@ -150,13 +151,15 @@ void MediaStreamDevicesController::Accept() {
 
   content::MediaResponseCallback cb = callback_;
   callback_.Reset();
-  cb.Run(devices, scoped_ptr<content::MediaStreamUI>());
+  cb.Run(devices, content::MEDIA_DEVICE_OK, scoped_ptr<content::MediaStreamUI>());
 }
 
 void MediaStreamDevicesController::Deny() {
   content::MediaResponseCallback cb = callback_;
   callback_.Reset();
-  cb.Run(content::MediaStreamDevices(), scoped_ptr<content::MediaStreamUI>());
+  cb.Run(content::MediaStreamDevices(),
+         content::MEDIA_DEVICE_PERMISSION_DENIED,
+         scoped_ptr<content::MediaStreamUI>());
 }
 
 }  // namespace brightray
diff --git a/brightray/browser/network_delegate.cc b/brightray/browser/network_delegate.cc
index 6467dc3e3d6f..ec019a5f2812 100644
--- a/brightray/browser/network_delegate.cc
+++ b/brightray/browser/network_delegate.cc
@@ -37,7 +37,8 @@ int NetworkDelegate::OnHeadersReceived(
     net::URLRequest* request,
     const net::CompletionCallback& callback,
     const net::HttpResponseHeaders* original_response_headers,
-    scoped_refptr<net::HttpResponseHeaders>* override_response_headers) {
+    scoped_refptr<net::HttpResponseHeaders>* override_response_headers,
+    GURL* allowed_unsafe_redirect_url) {
   return net::OK;
 }
 
@@ -59,7 +60,7 @@ void NetworkDelegate::OnURLRequestDestroyed(net::URLRequest* request) {
 }
 
 void NetworkDelegate::OnPACScriptError(int line_number,
-                                            const string16& error) {
+                                       const base::string16& error) {
 }
 
 NetworkDelegate::AuthRequiredResponse NetworkDelegate::OnAuthRequired(
@@ -97,9 +98,4 @@ int NetworkDelegate::OnBeforeSocketStreamConnect(
   return net::OK;
 }
 
-void NetworkDelegate::OnRequestWaitStateChange(
-    const net::URLRequest& request,
-    RequestWaitState waiting) {
-}
-
 }  // namespace brightray
diff --git a/brightray/browser/network_delegate.h b/brightray/browser/network_delegate.h
index 0d4f2d3600c5..94be71d98528 100644
--- a/brightray/browser/network_delegate.h
+++ b/brightray/browser/network_delegate.h
@@ -27,8 +27,8 @@ class NetworkDelegate : public net::NetworkDelegate {
       net::URLRequest* request,
       const net::CompletionCallback& callback,
       const net::HttpResponseHeaders* original_response_headers,
-      scoped_refptr<net::HttpResponseHeaders>*
-          override_response_headers) OVERRIDE;
+      scoped_refptr<net::HttpResponseHeaders>* override_response_headers,
+      GURL* allowed_unsafe_redirect_url) OVERRIDE;
   virtual void OnBeforeRedirect(net::URLRequest* request,
                                 const GURL& new_location) OVERRIDE;
   virtual void OnResponseStarted(net::URLRequest* request) OVERRIDE;
@@ -37,7 +37,7 @@ class NetworkDelegate : public net::NetworkDelegate {
   virtual void OnCompleted(net::URLRequest* request, bool started) OVERRIDE;
   virtual void OnURLRequestDestroyed(net::URLRequest* request) OVERRIDE;
   virtual void OnPACScriptError(int line_number,
-                                const string16& error) OVERRIDE;
+                                const base::string16& error) OVERRIDE;
   virtual AuthRequiredResponse OnAuthRequired(
       net::URLRequest* request,
       const net::AuthChallengeInfo& auth_info,
@@ -55,8 +55,6 @@ class NetworkDelegate : public net::NetworkDelegate {
   virtual int OnBeforeSocketStreamConnect(
       net::SocketStream* stream,
       const net::CompletionCallback& callback) OVERRIDE;
-  virtual void OnRequestWaitStateChange(const net::URLRequest& request,
-                                        RequestWaitState state) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetworkDelegate);
diff --git a/brightray/browser/url_request_context_getter.cc b/brightray/browser/url_request_context_getter.cc
index 4b26d7a93645..578f5a3047ab 100644
--- a/brightray/browser/url_request_context_getter.cc
+++ b/brightray/browser/url_request_context_getter.cc
@@ -29,10 +29,12 @@
 #include "net/ssl/ssl_config_service_defaults.h"
 #include "net/url_request/data_protocol_handler.h"
 #include "net/url_request/file_protocol_handler.h"
+#include "net/url_request/protocol_intercept_job_factory.h"
 #include "net/url_request/static_http_user_agent_settings.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_storage.h"
 #include "net/url_request/url_request_job_factory_impl.h"
+#include "webkit/browser/quota/special_storage_policy.h"
 
 namespace brightray {
 
@@ -41,11 +43,13 @@ URLRequestContextGetter::URLRequestContextGetter(
     base::MessageLoop* io_loop,
     base::MessageLoop* file_loop,
     base::Callback<scoped_ptr<NetworkDelegate>(void)> network_delegate_factory,
-    content::ProtocolHandlerMap* protocol_handlers)
+    content::ProtocolHandlerMap* protocol_handlers,
+    content::ProtocolHandlerScopedVector protocol_interceptors)
     : base_path_(base_path),
       io_loop_(io_loop),
       file_loop_(file_loop),
-      network_delegate_factory_(network_delegate_factory) {
+      network_delegate_factory_(network_delegate_factory),
+      protocol_interceptors_(protocol_interceptors.Pass()) {
   // Must first be created on the UI thread.
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
@@ -71,18 +75,18 @@ net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
     url_request_context_->set_network_delegate(network_delegate_.get());
     storage_.reset(
         new net::URLRequestContextStorage(url_request_context_.get()));
-    storage_->set_cookie_store(content::CreatePersistentCookieStore(
+    auto cookie_config = content::CookieStoreConfig(
         base_path_.Append(FILE_PATH_LITERAL("Cookies")),
-        false,
+        content::CookieStoreConfig::EPHEMERAL_SESSION_COOKIES,
         nullptr,
-        nullptr,
-        nullptr));
+        nullptr);
+    storage_->set_cookie_store(content::CreateCookieStore(cookie_config));
     storage_->set_server_bound_cert_service(new net::ServerBoundCertService(
         new net::DefaultServerBoundCertStore(NULL),
         base::WorkerPool::GetTaskRunner(true)));
     storage_->set_http_user_agent_settings(
         new net::StaticHttpUserAgentSettings(
-            "en-us,en", EmptyString()));
+            "en-us,en", base::EmptyString()));
 
     scoped_ptr<net::HostResolver> host_resolver(
         net::HostResolver::CreateDefaultResolver(NULL));
@@ -151,17 +155,31 @@ net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
       bool set_protocol = job_factory->SetProtocolHandler(
           it->first, it->second.release());
       DCHECK(set_protocol);
+      (void)set_protocol;  // silence unused-variable warning in Release builds on Windows
     }
     protocol_handlers_.clear();
     job_factory->SetProtocolHandler(
-        chrome::kDataScheme, new net::DataProtocolHandler);
+        content::kDataScheme, new net::DataProtocolHandler);
     job_factory->SetProtocolHandler(
-        chrome::kFileScheme,
+        content::kFileScheme,
         new net::FileProtocolHandler(
             content::BrowserThread::GetBlockingPool()->
                 GetTaskRunnerWithShutdownBehavior(
                     base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)));
-    storage_->set_job_factory(job_factory.release());
+
+    // Set up interceptors in the reverse order.
+    scoped_ptr<net::URLRequestJobFactory> top_job_factory =
+        job_factory.PassAs<net::URLRequestJobFactory>();
+    for (content::ProtocolHandlerScopedVector::reverse_iterator i =
+             protocol_interceptors_.rbegin();
+         i != protocol_interceptors_.rend();
+         ++i) {
+      top_job_factory.reset(new net::ProtocolInterceptJobFactory(
+          top_job_factory.Pass(), make_scoped_ptr(*i)));
+    }
+    protocol_interceptors_.weak_clear();
+
+    storage_->set_job_factory(top_job_factory.release());
   }
 
   return url_request_context_.get();
diff --git a/brightray/browser/url_request_context_getter.h b/brightray/browser/url_request_context_getter.h
index 7d3e174cd405..ad09e2b409c6 100644
--- a/brightray/browser/url_request_context_getter.h
+++ b/brightray/browser/url_request_context_getter.h
@@ -32,7 +32,8 @@ class URLRequestContextGetter : public net::URLRequestContextGetter {
       base::MessageLoop* io_loop,
       base::MessageLoop* file_loop,
       base::Callback<scoped_ptr<NetworkDelegate>(void)>,
-      content::ProtocolHandlerMap*);
+      content::ProtocolHandlerMap* protocol_handlers,
+      content::ProtocolHandlerScopedVector protocol_interceptors);
   virtual ~URLRequestContextGetter();
 
   net::HostResolver* host_resolver();
@@ -53,6 +54,7 @@ class URLRequestContextGetter : public net::URLRequestContextGetter {
   scoped_ptr<net::URLRequestContextStorage> storage_;
   scoped_ptr<net::URLRequestContext> url_request_context_;
   content::ProtocolHandlerMap protocol_handlers_;
+  content::ProtocolHandlerScopedVector protocol_interceptors_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContextGetter);
 };
diff --git a/brightray/browser/win/devtools_window.cc b/brightray/browser/win/devtools_window.cc
index 9fc4b5dba886..59857057d5a4 100644
--- a/brightray/browser/win/devtools_window.cc
+++ b/brightray/browser/win/devtools_window.cc
@@ -4,52 +4,63 @@
 #include "browser/win/inspectable_web_contents_view_win.h"
 
 #include "content/public/browser/web_contents_view.h"
-#include "ui/base/win/hidden_window.h"
+#include "ui/views/layout/fill_layout.h"
+#include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
+#include "ui/views/widget/widget_delegate.h"
 
 namespace brightray {
 
+namespace {
+
+class WidgetDelegateView : public views::WidgetDelegateView {
+ public:
+  WidgetDelegateView() {
+    SetLayoutManager(new views::FillLayout);
+  }
+
+  virtual void DeleteDelegate() OVERRIDE { delete this; }
+  virtual views::View* GetContentsView() OVERRIDE { return this; }
+  virtual bool CanResize() const OVERRIDE { return true; }
+  virtual bool CanMaximize() const OVERRIDE { return true; }
+  virtual base::string16 GetWindowTitle() const OVERRIDE { return L"Developer Tools"; }
+  virtual gfx::Size GetPreferredSize() OVERRIDE { return gfx::Size(800, 600); }
+  virtual gfx::Size GetMinimumSize() OVERRIDE { return gfx::Size(100, 100); }
+};
+
+}  // namespace
+
 DevToolsWindow* DevToolsWindow::Create(
     InspectableWebContentsViewWin* controller) {
   return new DevToolsWindow(controller);
 }
 
 DevToolsWindow::DevToolsWindow(InspectableWebContentsViewWin* controller)
-    : controller_(controller) {
+    : controller_(controller),
+      widget_(new views::Widget) {
+  auto delegate_view = new WidgetDelegateView;
+  views::Widget::InitParams params;
+  params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+  params.top_level = true;
+  params.native_widget = new views::DesktopNativeWidgetAura(widget_.get());
+  params.delegate = delegate_view;
+  widget_->Init(params);
+  delegate_view->AddChildView(controller->GetView());
+  delegate_view->Layout();
 }
 
 DevToolsWindow::~DevToolsWindow() {
 }
 
-LRESULT DevToolsWindow::OnCreate(UINT, WPARAM, LPARAM, BOOL&) {
-  auto devtools_web_contents =
-      controller_->inspectable_web_contents()->devtools_web_contents();
-  SetParent(devtools_web_contents->GetView()->GetNativeView(), hwnd());
-  SetWindowText(hwnd(), L"Developer Tools");
-  return 0;
+void DevToolsWindow::Show() {
+  widget_->Show();
 }
 
-LRESULT DevToolsWindow::OnDestroy(UINT, WPARAM, LPARAM, BOOL&) {
-  auto devtools_web_contents =
-      controller_->inspectable_web_contents()->devtools_web_contents();
-  SetParent(
-      devtools_web_contents->GetView()->GetNativeView(), ui::GetHiddenWindow());
+void DevToolsWindow::Close() {
+  widget_->Hide();
+}
+
+void DevToolsWindow::Destroy() {
   delete this;
-  return 0;
-}
-
-LRESULT DevToolsWindow::OnSize(UINT, WPARAM, LPARAM, BOOL&) {
-  RECT rect;
-  GetClientRect(hwnd(), &rect);
-
-  auto devtools_web_contents =
-      controller_->inspectable_web_contents()->devtools_web_contents();
-  SetWindowPos(devtools_web_contents->GetView()->GetNativeView(),
-               nullptr,
-               rect.left, rect.top,
-               rect.right - rect.left, rect.bottom - rect.top,
-               SWP_NOZORDER | SWP_SHOWWINDOW);
-
-  return 0;
 }
 
 }  // namespace brightray
diff --git a/brightray/browser/win/devtools_window.h b/brightray/browser/win/devtools_window.h
index a6b11bb11e0c..33c1a4120bc1 100644
--- a/brightray/browser/win/devtools_window.h
+++ b/brightray/browser/win/devtools_window.h
@@ -1,35 +1,33 @@
 #ifndef BRIGHTRAY_BROWSER_WIN_DEVTOOLS_WINDOW_H_
 #define BRIGHTRAY_BROWSER_WIN_DEVTOOLS_WINDOW_H_
 
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "ui/gfx/win/window_impl.h"
+
+namespace views {
+class Widget;
+}
 
 namespace brightray {
 
 class InspectableWebContentsViewWin;
 
-class DevToolsWindow : public gfx::WindowImpl,
-                       public base::SupportsWeakPtr<DevToolsWindow> {
+class DevToolsWindow : public base::SupportsWeakPtr<DevToolsWindow> {
  public:
   static DevToolsWindow* Create(
       InspectableWebContentsViewWin* inspectable_web_contents_view_win);
 
-  BEGIN_MSG_MAP_EX(DevToolsWindow)
-    MESSAGE_HANDLER(WM_CREATE, OnCreate)
-    MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
-    MESSAGE_HANDLER(WM_SIZE, OnSize)
-  END_MSG_MAP()
+  void Show();
+  void Close();
+  void Destroy();
 
  private:
   explicit DevToolsWindow(
       InspectableWebContentsViewWin* inspectable_web_contents_view_win);
   ~DevToolsWindow();
 
-  LRESULT OnCreate(UINT message, WPARAM, LPARAM, BOOL& handled);
-  LRESULT OnDestroy(UINT message, WPARAM, LPARAM, BOOL& handled);
-  LRESULT OnSize(UINT message, WPARAM, LPARAM, BOOL& handled);
-
   InspectableWebContentsViewWin* controller_;
+  scoped_ptr<views::Widget> widget_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsWindow);
 };
diff --git a/brightray/browser/win/inspectable_web_contents_view_win.cc b/brightray/browser/win/inspectable_web_contents_view_win.cc
index 24a52b658f7d..641725889bf6 100644
--- a/brightray/browser/win/inspectable_web_contents_view_win.cc
+++ b/brightray/browser/win/inspectable_web_contents_view_win.cc
@@ -143,7 +143,7 @@ InspectableWebContentsViewWin::InspectableWebContentsViewWin(
 
 InspectableWebContentsViewWin::~InspectableWebContentsViewWin() {
   if (devtools_window_)
-    DestroyWindow(devtools_window_->hwnd());
+    devtools_window_->Destroy();
 }
 
 views::View* InspectableWebContentsViewWin::GetView() const {
@@ -161,19 +161,10 @@ gfx::NativeView InspectableWebContentsViewWin::GetNativeView() const {
 
 void InspectableWebContentsViewWin::ShowDevTools() {
   if (undocked_) {
-    if (!devtools_window_) {
+    if (!devtools_window_)
       devtools_window_ = DevToolsWindow::Create(this)->AsWeakPtr();
-      devtools_window_->Init(HWND_DESKTOP, gfx::Rect());
-    }
 
-    auto contents_view = inspectable_web_contents_->GetWebContents()->GetView();
-    auto size = contents_view->GetContainerSize();
-    size.Enlarge(-kWindowInset, -kWindowInset);
-    gfx::CenterAndSizeWindow(contents_view->GetNativeView(),
-                             devtools_window_->hwnd(),
-                             size);
-
-    ShowWindow(devtools_window_->hwnd(), SW_SHOWNORMAL);
+    devtools_window_->Show();
   } else {
     container_->ShowDevTools();
   }
@@ -181,7 +172,7 @@ void InspectableWebContentsViewWin::ShowDevTools() {
 
 void InspectableWebContentsViewWin::CloseDevTools() {
   if (undocked_)
-    SendMessage(devtools_window_->hwnd(), WM_CLOSE, 0, 0);
+    devtools_window_->Close();
   else
     container_->CloseDevTools();
 }
@@ -197,7 +188,7 @@ bool InspectableWebContentsViewWin::SetDockSide(const std::string& side) {
   } else if (side == "right" || side == "bottom") {
     undocked_ = false;
     if (devtools_window_)
-      SendMessage(devtools_window_->hwnd(), WM_CLOSE, 0, 0);
+      devtools_window_->Close();
     container_->SetDockSide(side);
   } else {
     return false;
diff --git a/brightray/common/application_info_win.cc b/brightray/common/application_info_win.cc
index 696d8b36b5ee..fd18d54b0ca4 100644
--- a/brightray/common/application_info_win.cc
+++ b/brightray/common/application_info_win.cc
@@ -10,14 +10,14 @@ std::string GetApplicationName() {
   auto module = GetModuleHandle(nullptr);
   auto info = make_scoped_ptr(
       FileVersionInfo::CreateFileVersionInfoForModule(module));
-  return UTF16ToUTF8(info->product_name());
+  return base::UTF16ToUTF8(info->product_name());
 }
 
 std::string GetApplicationVersion() {
   auto module = GetModuleHandle(nullptr);
   auto info = make_scoped_ptr(
       FileVersionInfo::CreateFileVersionInfoForModule(module));
-  return UTF16ToUTF8(info->product_version());
+  return base::UTF16ToUTF8(info->product_version());
 }
 
 }  // namespace brightray
diff --git a/brightray/common/content_client.cc b/brightray/common/content_client.cc
index dd6ce530690c..9d42e350191f 100644
--- a/brightray/common/content_client.cc
+++ b/brightray/common/content_client.cc
@@ -8,8 +8,8 @@
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/string_util.h"
+#include "content/public/common/user_agent.h"
 #include "ui/base/resource/resource_bundle.h"
-#include "webkit/common/user_agent/user_agent_util.h"
 
 namespace brightray {
 
@@ -21,13 +21,13 @@ ContentClient::~ContentClient() {
 
 std::string ContentClient::GetProduct() const {
   auto name = GetApplicationName();
-  RemoveChars(name, kWhitespaceASCII, &name);
+  base::RemoveChars(name, base::kWhitespaceASCII, &name);
   return base::StringPrintf("%s/%s",
       name.c_str(), GetApplicationVersion().c_str());
 }
 
 std::string ContentClient::GetUserAgent() const {
-  return webkit_glue::BuildUserAgentFromProduct(GetProduct());
+  return content::BuildUserAgentFromProduct(GetProduct());
 }
 
 base::StringPiece ContentClient::GetDataResource(
diff --git a/brightray/common/main_delegate.cc b/brightray/common/main_delegate.cc
index f85c769bafc4..ea0cbdddb5a4 100644
--- a/brightray/common/main_delegate.cc
+++ b/brightray/common/main_delegate.cc
@@ -27,14 +27,14 @@ scoped_ptr<ContentClient> MainDelegate::CreateContentClient() {
 bool MainDelegate::BasicStartupComplete(int* exit_code) {
   content_client_ = CreateContentClient().Pass();
   SetContentClient(content_client_.get());
-  return false;
-}
-
-void MainDelegate::PreSandboxStartup() {
 #if defined(OS_MACOSX)
   OverrideChildProcessPath();
   OverrideFrameworkBundlePath();
 #endif
+  return false;
+}
+
+void MainDelegate::PreSandboxStartup() {
   InitializeResourceBundle();
 }
 
diff --git a/brightray/script/build b/brightray/script/build
index b13f892b64f0..30ee528230a4 100755
--- a/brightray/script/build
+++ b/brightray/script/build
@@ -15,7 +15,12 @@ def main():
 
 
 def run_gyp():
-    return subprocess.call([sys.executable, GYP, '--depth', '.', 'brightray.gyp'])
+    env = os.environ.copy()
+    gyp_pylib = os.path.join(os.path.dirname(GYP), 'pylib')
+    env['PYTHONPATH'] = os.path.pathsep.join([gyp_pylib,
+                                              env.get('PYTHONPATH', '')])
+    return subprocess.call([sys.executable, GYP, '--depth', '.',
+                            'brightray.gyp'], env=env)
 
 
 def build():
@@ -25,7 +30,8 @@ def build():
         return subprocess.call(['make'])
 
     assert sys.platform == 'win32', sys.platform
-    msbuild = os.path.join(os.environ['windir'], 'Microsoft.NET', 'Framework', 'v4.0.30319', 'MSBuild.exe')
+    program_files = os.environ.get('PROGRAMFILES(X86)', os.environ['PROGRAMFILES'])
+    msbuild = os.path.join(program_files, 'MSBuild', '12.0', 'Bin', 'MSBuild.exe')
     return subprocess.call([msbuild, 'brightray.sln'])
 
 
diff --git a/brightray/vendor/libchromiumcontent b/brightray/vendor/libchromiumcontent
index 656be9408484..331dbed44676 160000
--- a/brightray/vendor/libchromiumcontent
+++ b/brightray/vendor/libchromiumcontent
@@ -1 +1 @@
-Subproject commit 656be9408484de40ba4938ef47acdebeec8a1784
+Subproject commit 331dbed44676c534faf21f7db1985e796260649a