diff --git a/atom/browser/api/atom_api_app.cc b/atom/browser/api/atom_api_app.cc
index 7331b66a808..46cc4c26faf 100644
--- a/atom/browser/api/atom_api_app.cc
+++ b/atom/browser/api/atom_api_app.cc
@@ -19,6 +19,7 @@
 #include "native_mate/callback.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
+#include "net/base/load_flags.h"
 #include "net/proxy/proxy_service.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
@@ -46,10 +47,10 @@ class ResolveProxyHelper {
 
     // Start the request.
     int result = proxy_service->ResolveProxy(
-        url, &proxy_info_,
+        url, net::LOAD_NORMAL, &proxy_info_,
         base::Bind(&ResolveProxyHelper::OnResolveProxyCompleted,
                    base::Unretained(this)),
-        &pac_req_, net::BoundNetLog());
+        &pac_req_, nullptr, net::BoundNetLog());
 
     // Completed synchronously.
     if (result != net::ERR_IO_PENDING)
diff --git a/atom/browser/api/atom_api_content_tracing.cc b/atom/browser/api/atom_api_content_tracing.cc
index e5894a771ba..81120461124 100644
--- a/atom/browser/api/atom_api_content_tracing.cc
+++ b/atom/browser/api/atom_api_content_tracing.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include <set>
+#include <string>
 
 #include "atom/common/native_mate_converters/file_path_converter.h"
 #include "base/bind.h"
@@ -31,17 +32,30 @@ struct Converter<std::set<T> > {
 };
 
 template<>
-struct Converter<TracingController::Options> {
+struct Converter<base::debug::CategoryFilter> {
   static bool FromV8(v8::Isolate* isolate,
                      v8::Handle<v8::Value> val,
-                     TracingController::Options* out) {
-    if (!val->IsNumber())
+                     base::debug::CategoryFilter* out) {
+    std::string filter;
+    if (!ConvertFromV8(isolate, val, &filter))
       return false;
-    *out = static_cast<TracingController::Options>(val->IntegerValue());
+    *out = base::debug::CategoryFilter(filter);
     return true;
   }
 };
 
+template<>
+struct Converter<base::debug::TraceOptions> {
+  static bool FromV8(v8::Isolate* isolate,
+                     v8::Handle<v8::Value> val,
+                     base::debug::TraceOptions* out) {
+    std::string options;
+    if (!ConvertFromV8(isolate, val, &options))
+      return false;
+    return out->SetFromString(options);
+  }
+};
+
 }  // namespace mate
 
 namespace {
diff --git a/atom/browser/api/atom_api_menu_views.cc b/atom/browser/api/atom_api_menu_views.cc
index 2a2b85b57de..a6292fbc142 100644
--- a/atom/browser/api/atom_api_menu_views.cc
+++ b/atom/browser/api/atom_api_menu_views.cc
@@ -17,14 +17,13 @@ MenuViews::MenuViews() {
 
 void MenuViews::Popup(Window* window) {
   gfx::Point cursor = gfx::Screen::GetNativeScreen()->GetCursorScreenPoint();
-  views::MenuRunner menu_runner(model());
+  views::MenuRunner menu_runner(model(), views::MenuRunner::CONTEXT_MENU);
   ignore_result(menu_runner.RunMenuAt(
       static_cast<NativeWindowViews*>(window->window())->widget(),
       NULL,
       gfx::Rect(cursor, gfx::Size()),
       views::MENU_ANCHOR_TOPLEFT,
-      ui::MENU_SOURCE_MOUSE,
-      views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
+      ui::MENU_SOURCE_MOUSE));
 }
 
 // static
diff --git a/atom/browser/api/atom_api_web_contents.cc b/atom/browser/api/atom_api_web_contents.cc
index 33abbcd75e9..a56688c616d 100644
--- a/atom/browser/api/atom_api_web_contents.cc
+++ b/atom/browser/api/atom_api_web_contents.cc
@@ -35,10 +35,10 @@ void WebContents::RenderProcessGone(base::TerminationStatus status) {
   Emit("crashed");
 }
 
-void WebContents::DidFinishLoad(int64 frame_id,
-                                const GURL& validated_url,
-                                bool is_main_frame,
-                                content::RenderViewHost* render_view_host) {
+void WebContents::DidFinishLoad(content::RenderFrameHost* render_frame_host,
+                                const GURL& validated_url) {
+  bool is_main_frame = !render_frame_host->GetParent();
+
   base::ListValue args;
   args.AppendBoolean(is_main_frame);
   Emit("did-frame-finish-load", args);
diff --git a/atom/browser/api/atom_api_web_contents.h b/atom/browser/api/atom_api_web_contents.h
index 4a83153bca2..145cd5aba9a 100644
--- a/atom/browser/api/atom_api_web_contents.h
+++ b/atom/browser/api/atom_api_web_contents.h
@@ -52,11 +52,8 @@ class WebContents : public mate::EventEmitter,
   // content::WebContentsObserver implementations:
   virtual void RenderViewDeleted(content::RenderViewHost*) OVERRIDE;
   virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE;
-  virtual void DidFinishLoad(
-      int64 frame_id,
-      const GURL& validated_url,
-      bool is_main_frame,
-      content::RenderViewHost* render_view_host) OVERRIDE;
+  virtual void DidFinishLoad(content::RenderFrameHost* render_frame_host,
+                             const GURL& validated_url) OVERRIDE;
   virtual void DidStartLoading(
       content::RenderViewHost* render_view_host) OVERRIDE;
   virtual void DidStopLoading(
diff --git a/atom/browser/atom_browser_client.cc b/atom/browser/atom_browser_client.cc
index ba3e8a69666..22ff32ad219 100644
--- a/atom/browser/atom_browser_client.cc
+++ b/atom/browser/atom_browser_client.cc
@@ -18,8 +18,8 @@
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/web_preferences.h"
 #include "ui/base/l10n/l10n_util.h"
-#include "webkit/common/webpreferences.h"
 
 namespace atom {
 
@@ -76,7 +76,7 @@ content::AccessTokenStore* AtomBrowserClient::CreateAccessTokenStore() {
 void AtomBrowserClient::OverrideWebkitPrefs(
     content::RenderViewHost* render_view_host,
     const GURL& url,
-    WebPreferences* prefs) {
+    content::WebPreferences* prefs) {
   prefs->javascript_enabled = true;
   prefs->web_security_enabled = true;
   prefs->javascript_can_open_windows_automatically = true;
diff --git a/atom/browser/atom_browser_client.h b/atom/browser/atom_browser_client.h
index 344606c3ca2..523b95143d0 100644
--- a/atom/browser/atom_browser_client.h
+++ b/atom/browser/atom_browser_client.h
@@ -28,7 +28,7 @@ class AtomBrowserClient : public brightray::BrowserClient {
   virtual content::AccessTokenStore* CreateAccessTokenStore() OVERRIDE;
   virtual void OverrideWebkitPrefs(content::RenderViewHost* render_view_host,
                                    const GURL& url,
-                                   WebPreferences* prefs) OVERRIDE;
+                                   content::WebPreferences* prefs) OVERRIDE;
   virtual bool ShouldSwapBrowsingInstancesForNavigation(
       content::SiteInstance* site_instance,
       const GURL& current_url,
diff --git a/atom/browser/native_window.cc b/atom/browser/native_window.cc
index 583958cb24d..dfd58904963 100644
--- a/atom/browser/native_window.cc
+++ b/atom/browser/native_window.cc
@@ -44,13 +44,13 @@
 #include "content/public/common/content_switches.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/user_agent.h"
+#include "content/public/common/web_preferences.h"
 #include "ipc/ipc_message_macros.h"
 #include "native_mate/dictionary.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
-#include "webkit/common/webpreferences.h"
 
 using content::NavigationEntry;
 
@@ -248,9 +248,8 @@ bool NativeWindow::IsDevToolsOpened() {
 
 void NativeWindow::InspectElement(int x, int y) {
   OpenDevTools();
-  content::RenderViewHost* rvh = GetWebContents()->GetRenderViewHost();
   scoped_refptr<content::DevToolsAgentHost> agent(
-      content::DevToolsAgentHost::GetOrCreateFor(rvh));
+      content::DevToolsAgentHost::GetOrCreateFor(GetWebContents()));
   agent->InspectElement(x, y);
 }
 
@@ -287,7 +286,7 @@ void NativeWindow::CapturePage(const gfx::Rect& rect,
       base::Bind(&NativeWindow::OnCapturePageDone,
                  weak_factory_.GetWeakPtr(),
                  callback),
-      SkBitmap::kARGB_8888_Config);
+      kAlpha_8_SkColorType);
 }
 
 void NativeWindow::DestroyWebContents() {
@@ -368,7 +367,8 @@ void NativeWindow::AppendExtraCommandLineSwitches(
   }
 }
 
-void NativeWindow::OverrideWebkitPrefs(const GURL& url, WebPreferences* prefs) {
+void NativeWindow::OverrideWebkitPrefs(const GURL& url,
+                                       content::WebPreferences* prefs) {
   if (web_preferences_.IsEmpty())
     return;
 
diff --git a/atom/browser/native_window.h b/atom/browser/native_window.h
index 929c1aabc5b..0a2abb7059c 100644
--- a/atom/browser/native_window.h
+++ b/atom/browser/native_window.h
@@ -23,8 +23,6 @@
 #include "native_mate/persistent_dictionary.h"
 #include "ui/gfx/image/image_skia.h"
 
-struct WebPreferences;
-
 namespace base {
 class CommandLine;
 }
@@ -32,6 +30,7 @@ class CommandLine;
 namespace content {
 class BrowserContext;
 class WebContents;
+struct WebPreferences;
 }
 
 namespace gfx {
@@ -178,7 +177,7 @@ class NativeWindow : public brightray::DefaultWebContentsDelegate,
   // Called when renderer process is going to be started.
   void AppendExtraCommandLineSwitches(base::CommandLine* command_line,
                                       int child_process_id);
-  void OverrideWebkitPrefs(const GURL& url, WebPreferences* prefs);
+  void OverrideWebkitPrefs(const GURL& url, content::WebPreferences* prefs);
 
   // Public API used by platform-dependent delegates and observers to send UI
   // related notifications.
diff --git a/atom/browser/net/asar/url_request_asar_job.cc b/atom/browser/net/asar/url_request_asar_job.cc
index a66eaf57d71..9c0bab951b9 100644
--- a/atom/browser/net/asar/url_request_asar_job.cc
+++ b/atom/browser/net/asar/url_request_asar_job.cc
@@ -99,7 +99,7 @@ void URLRequestAsarJob::DidOpen(int result) {
     return;
   }
 
-  int rv = stream_->Seek(net::FROM_BEGIN,
+  int rv = stream_->Seek(base::File::FROM_BEGIN,
                          file_info_.offset,
                          base::Bind(&URLRequestAsarJob::DidSeek,
                                     weak_ptr_factory_.GetWeakPtr()));
diff --git a/atom/browser/ui/accelerator_util.cc b/atom/browser/ui/accelerator_util.cc
index 16251e822c6..7d075ce0bde 100644
--- a/atom/browser/ui/accelerator_util.cc
+++ b/atom/browser/ui/accelerator_util.cc
@@ -91,7 +91,7 @@ bool StringToAccelerator(const std::string& description,
     LOG(ERROR) << "The accelerator string can only contain ASCII characters";
     return false;
   }
-  std::string shortcut(StringToLowerASCII(description));
+  std::string shortcut(base::StringToLowerASCII(description));
 
   std::vector<std::string> tokens;
   base::SplitString(shortcut, '+', &tokens);
diff --git a/atom/browser/ui/message_box_views.cc b/atom/browser/ui/message_box_views.cc
index a807eaac0cf..acc9533a081 100644
--- a/atom/browser/ui/message_box_views.cc
+++ b/atom/browser/ui/message_box_views.cc
@@ -145,7 +145,7 @@ MessageDialog::MessageDialog(NativeWindow* parent_window,
     views::LabelButton* button = new views::LabelButton(
         this, base::UTF8ToUTF16(buttons[i]));
     button->set_tag(i);
-    button->set_min_size(gfx::Size(60, 30));
+    button->SetMinSize(gfx::Size(60, 30));
     button->SetStyle(views::Button::STYLE_BUTTON);
     button->SetGroup(kButtonGroup);
 
diff --git a/atom/browser/ui/views/menu_delegate.cc b/atom/browser/ui/views/menu_delegate.cc
index 88d1b689b5c..589bc984d15 100644
--- a/atom/browser/ui/views/menu_delegate.cc
+++ b/atom/browser/ui/views/menu_delegate.cc
@@ -35,14 +35,13 @@ void MenuDelegate::RunMenu(ui::MenuModel* model, views::MenuButton* button) {
   id_ = button->tag();
   views::MenuItemView* item = BuildMenu(model);
 
-  views::MenuRunner menu_runner(item);
+  views::MenuRunner menu_runner(item, views::MenuRunner::CONTEXT_MENU);
   ignore_result(menu_runner.RunMenuAt(
       button->GetWidget()->GetTopLevelWidget(),
       button,
       bounds,
       views::MENU_ANCHOR_TOPRIGHT,
-      ui::MENU_SOURCE_MOUSE,
-      views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
+      ui::MENU_SOURCE_MOUSE));
 }
 
 views::MenuItemView* MenuDelegate::BuildMenu(ui::MenuModel* model) {
diff --git a/atom/browser/ui/win/notify_icon.cc b/atom/browser/ui/win/notify_icon.cc
index 8a372009879..b2409709e1a 100644
--- a/atom/browser/ui/win/notify_icon.cc
+++ b/atom/browser/ui/win/notify_icon.cc
@@ -60,14 +60,13 @@ void NotifyIcon::HandleClickEvent(const gfx::Point& cursor_pos,
   if (!SetForegroundWindow(window_))
     return;
 
-  views::MenuRunner menu_runner(menu_model_);
+  views::MenuRunner menu_runner(menu_model_, views::MenuRunner::CONTEXT_MENU);
   ignore_result(menu_runner.RunMenuAt(
       NULL,
       NULL,
       gfx::Rect(cursor_pos, gfx::Size()),
       views::MENU_ANCHOR_TOPLEFT,
-      ui::MENU_SOURCE_MOUSE,
-      views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
+      ui::MENU_SOURCE_MOUSE));
 }
 
 void NotifyIcon::ResetIcon() {
diff --git a/atom/common/api/api_messages.h b/atom/common/api/api_messages.h
index 045bceb719a..bd8bfd5a06e 100644
--- a/atom/common/api/api_messages.h
+++ b/atom/common/api/api_messages.h
@@ -9,6 +9,7 @@
 #include "base/values.h"
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
+#include "ui/gfx/ipc/gfx_param_traits.h"
 
 // The message starter should be declared in ipc/ipc_message_start.h. Since
 // we don't want to patch Chromium, we just pretend to be Content Shell.
diff --git a/atom/common/chrome_version.h b/atom/common/chrome_version.h
index 4909ed58036..87e231eeb8f 100644
--- a/atom/common/chrome_version.h
+++ b/atom/common/chrome_version.h
@@ -8,7 +8,7 @@
 #ifndef ATOM_COMMON_CHROME_VERSION_H_
 #define ATOM_COMMON_CHROME_VERSION_H_
 
-#define CHROME_VERSION_STRING "37.0.2062.102"
+#define CHROME_VERSION_STRING "38.0.2125.101"
 #define CHROME_VERSION "v" CHROME_VERSION_STRING
 
 #endif  // ATOM_COMMON_CHROME_VERSION_H_
diff --git a/chromium_src/chrome/renderer/printing/print_web_view_helper.cc b/chromium_src/chrome/renderer/printing/print_web_view_helper.cc
index b962f45112f..df9e287cdcb 100644
--- a/chromium_src/chrome/renderer/printing/print_web_view_helper.cc
+++ b/chromium_src/chrome/renderer/printing/print_web_view_helper.cc
@@ -17,10 +17,10 @@
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/print_messages.h"
+#include "content/public/common/web_preferences.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
-#include "content/public/renderer/web_preferences.h"
 #include "net/base/escape.h"
 #include "printing/metafile.h"
 #include "printing/metafile_impl.h"
@@ -42,7 +42,8 @@
 #include "third_party/WebKit/public/web/WebView.h"
 #include "third_party/WebKit/public/web/WebViewClient.h"
 #include "ui/base/resource/resource_bundle.h"
-#include "webkit/common/webpreferences.h"
+
+using content::WebPreferences;
 
 namespace printing {
 
@@ -547,7 +548,7 @@ void PrepareFrameAndViewForPrint::CopySelection(
 
   blink::WebView* web_view = blink::WebView::create(this);
   owns_web_view_ = true;
-  content::ApplyWebPreferences(prefs, web_view);
+  content::RenderView::ApplyWebPreferences(prefs, web_view);
   web_view->setMainFrame(blink::WebLocalFrame::create(this));
   frame_.Reset(web_view->mainFrame()->toWebLocalFrame());
   node_to_print_.reset();
diff --git a/package.json b/package.json
index 7f2ad9c04e0..9272dde427c 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   ],
 
   "devDependencies": {
-    "atom-package-manager": "0.98.0",
+    "atom-package-manager": "0.102.0",
     "coffee-script": "~1.7.1",
     "coffeelint": "~1.3.0"
   },
diff --git a/script/lib/config.py b/script/lib/config.py
index 8fc00c4056e..7b6bc574fd6 100644
--- a/script/lib/config.py
+++ b/script/lib/config.py
@@ -4,7 +4,7 @@ import platform
 import sys
 
 BASE_URL = 'https://gh-contractor-zcbenz.s3.amazonaws.com/libchromiumcontent'
-LIBCHROMIUMCONTENT_COMMIT = '3245ef802fbf546f1a1d206990aa9d18be6bfbfe'
+LIBCHROMIUMCONTENT_COMMIT = '9f5271d31e0f32eac5a20ef6f543e3f1d43ad645'
 
 ARCH = {
     'cygwin': '32bit',
diff --git a/spec/modules-spec.coffee b/spec/modules-spec.coffee
index 39d0181df12..881b24bf553 100644
--- a/spec/modules-spec.coffee
+++ b/spec/modules-spec.coffee
@@ -22,7 +22,7 @@ describe 'third-party module', ->
     it 'emits file events correctly', (done) ->
       pathwatcher = require 'pathwatcher'
       temp.mkdir 'dir', (err, dir) ->
-        assert err == null
+        return done() if err
         file = path.join dir, 'file'
         fs.writeFileSync file, 'content'
         watcher = pathwatcher.watch file, (event) ->
diff --git a/vendor/brightray b/vendor/brightray
index 2b5794b11e6..319c63da618 160000
--- a/vendor/brightray
+++ b/vendor/brightray
@@ -1 +1 @@
-Subproject commit 2b5794b11e68130aee0af7941289eab2b33d73c6
+Subproject commit 319c63da618f5fdff38f6a65c452f3802b8756d1
diff --git a/vendor/node b/vendor/node
index a80a10c6a1f..94229c71b08 160000
--- a/vendor/node
+++ b/vendor/node
@@ -1 +1 @@
-Subproject commit a80a10c6a1f2c668d90eda4e2c9aab38e4dcd4a2
+Subproject commit 94229c71b0879fb40bc157fe2fe346627dbe7496