diff --git a/brightray/brightray.gyp b/brightray/brightray.gyp
index 2ac422722003..71616f36a500 100644
--- a/brightray/brightray.gyp
+++ b/brightray/brightray.gyp
@@ -50,6 +50,8 @@
         'browser/notification_presenter_mac.mm',
         'browser/url_request_context_getter.cc',
         'browser/url_request_context_getter.h',
+        'browser/win/devtools_window.cc',
+        'browser/win/devtools_window.h',
         'browser/win/inspectable_web_contents_view_win.cc',
         'browser/win/inspectable_web_contents_view_win.h',
         'common/application_info.h',
diff --git a/brightray/brightray.gypi b/brightray/brightray.gypi
index 69513546df7f..828fc55046d8 100644
--- a/brightray/brightray.gypi
+++ b/brightray/brightray.gypi
@@ -171,6 +171,9 @@
   'conditions': [
     ['OS=="win"', {
       'target_defaults': {
+        'include_dirs': [
+          '<(libchromiumcontent_include_dir)/third_party/wtl/include',
+        ],
         'defines': [
           '_WIN32_WINNT=0x0602',
           'WINVER=0x0602',
@@ -182,6 +185,10 @@
           'CERT_CHAIN_PARA_HAS_EXTRA_FIELDS',
           'WIN32_LEAN_AND_MEAN',
           '_ATL_NO_OPENGL',
+          '_SECURE_ATL',
+        ],
+        'msvs_system_include_dirs': [
+          '$(VSInstallDir)/VC/atlmfc/include',
         ],
         'msvs_settings': {
           'VCCLCompilerTool': {
diff --git a/brightray/browser/win/devtools_window.cc b/brightray/browser/win/devtools_window.cc
new file mode 100644
index 000000000000..8bed3e89f7d9
--- /dev/null
+++ b/brightray/browser/win/devtools_window.cc
@@ -0,0 +1,47 @@
+#include "browser/win/devtools_window.h"
+
+#include "browser/inspectable_web_contents_impl.h"
+#include "browser/win/inspectable_web_contents_view_win.h"
+
+#include "content/public/browser/web_contents_view.h"
+#include "ui/base/win/hidden_window.h"
+
+namespace brightray {
+
+DevToolsWindow* DevToolsWindow::Create(InspectableWebContentsViewWin* controller) {
+  return new DevToolsWindow(controller);
+}
+
+DevToolsWindow::DevToolsWindow(InspectableWebContentsViewWin* controller)
+    : controller_(controller) {
+}
+
+DevToolsWindow::~DevToolsWindow() {
+}
+
+LRESULT DevToolsWindow::OnCreate(UINT, WPARAM, LPARAM, BOOL&) {
+  SetParent(controller_->inspectable_web_contents()->devtools_web_contents()->GetView()->GetNativeView(), hwnd());
+  SetWindowText(hwnd(), L"Developer Tools");
+  return 0;
+}
+
+LRESULT DevToolsWindow::OnDestroy(UINT, WPARAM, LPARAM, BOOL&) {
+  SetParent(controller_->inspectable_web_contents()->devtools_web_contents()->GetView()->GetNativeView(), ui::GetHiddenWindow());
+  delete this;
+  return 0;
+}
+
+LRESULT DevToolsWindow::OnSize(UINT, WPARAM, LPARAM, BOOL&) {
+  RECT rect;
+  GetClientRect(hwnd(), &rect);
+
+  SetWindowPos(controller_->inspectable_web_contents()->devtools_web_contents()->GetView()->GetNativeView(),
+               nullptr,
+               rect.left, rect.top,
+               rect.right - rect.left, rect.bottom - rect.top,
+               SWP_NOZORDER | SWP_SHOWWINDOW);
+
+  return 0;
+}
+
+}
diff --git a/brightray/browser/win/devtools_window.h b/brightray/browser/win/devtools_window.h
new file mode 100644
index 000000000000..7181ab8e4d34
--- /dev/null
+++ b/brightray/browser/win/devtools_window.h
@@ -0,0 +1,36 @@
+#ifndef BRIGHTRAY_BROWSER_WIN_DEVTOOLS_WINDOW_H_
+#define BRIGHTRAY_BROWSER_WIN_DEVTOOLS_WINDOW_H_
+
+#include "base/memory/weak_ptr.h"
+#include "ui/base/win/window_impl.h"
+
+namespace brightray {
+
+class InspectableWebContentsViewWin;
+
+class DevToolsWindow : public ui::WindowImpl, public base::SupportsWeakPtr<DevToolsWindow> {
+ public:
+  static DevToolsWindow* Create(InspectableWebContentsViewWin*);
+
+  BEGIN_MSG_MAP_EX(DevToolsWindow)
+    MESSAGE_HANDLER(WM_CREATE, OnCreate)
+    MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
+    MESSAGE_HANDLER(WM_SIZE, OnSize)
+  END_MSG_MAP()
+
+ private:
+  DevToolsWindow(InspectableWebContentsViewWin*);
+  ~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_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsWindow);
+};
+
+}
+
+#endif
diff --git a/brightray/browser/win/inspectable_web_contents_view_win.cc b/brightray/browser/win/inspectable_web_contents_view_win.cc
index deab04590c09..c6161286c232 100644
--- a/brightray/browser/win/inspectable_web_contents_view_win.cc
+++ b/brightray/browser/win/inspectable_web_contents_view_win.cc
@@ -1,11 +1,20 @@
 #include "browser/win/inspectable_web_contents_view_win.h"
 
+#include "browser/browser_client.h"
 #include "browser/inspectable_web_contents_impl.h"
+#include "browser/win/devtools_window.h"
 
 #include "content/public/browser/web_contents_view.h"
+#include "ui/base/win/hwnd_util.h"
 
 namespace brightray {
 
+namespace {
+
+const int kWindowInset = 100;
+
+}
+
 InspectableWebContentsView* CreateInspectableContentsView(InspectableWebContentsImpl* inspectable_web_contents) {
   return new InspectableWebContentsViewWin(inspectable_web_contents);
 }
@@ -15,6 +24,8 @@ InspectableWebContentsViewWin::InspectableWebContentsViewWin(InspectableWebConte
 }
 
 InspectableWebContentsViewWin::~InspectableWebContentsViewWin() {
+  if (devtools_window_)
+    DestroyWindow(devtools_window_->hwnd());
 }
 
 gfx::NativeView InspectableWebContentsViewWin::GetNativeView() const {
@@ -22,9 +33,23 @@ gfx::NativeView InspectableWebContentsViewWin::GetNativeView() const {
 }
 
 void InspectableWebContentsViewWin::ShowDevTools() {
+  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);
+  ui::CenterAndSizeWindow(contents_view->GetNativeView(), devtools_window_->hwnd(), size);
+
+  ShowWindow(devtools_window_->hwnd(), SW_SHOWNORMAL);
 }
 
 void InspectableWebContentsViewWin::CloseDevTools() {
+  if (!devtools_window_)
+    return;
+  SendMessage(devtools_window_->hwnd(), WM_CLOSE, 0, 0);
 }
 
 bool InspectableWebContentsViewWin::SetDockSide(const std::string& side) {
diff --git a/brightray/browser/win/inspectable_web_contents_view_win.h b/brightray/browser/win/inspectable_web_contents_view_win.h
index 801eb931360c..8f5816fb4e7d 100644
--- a/brightray/browser/win/inspectable_web_contents_view_win.h
+++ b/brightray/browser/win/inspectable_web_contents_view_win.h
@@ -4,9 +4,11 @@
 #include "browser/inspectable_web_contents_view.h"
 
 #include "base/compiler_specific.h"
+#include "base/memory/weak_ptr.h"
 
 namespace brightray {
 
+class DevToolsWindow;
 class InspectableWebContentsImpl;
 
 class InspectableWebContentsViewWin : public InspectableWebContentsView {
@@ -25,6 +27,8 @@ private:
   // Owns us.
   InspectableWebContentsImpl* inspectable_web_contents_;
 
+  base::WeakPtr<DevToolsWindow> devtools_window_;
+
   DISALLOW_COPY_AND_ASSIGN(InspectableWebContentsViewWin);
 };
 
diff --git a/brightray/vendor/libchromiumcontent b/brightray/vendor/libchromiumcontent
index 2f53a96fc665..fc02d9380a52 160000
--- a/brightray/vendor/libchromiumcontent
+++ b/brightray/vendor/libchromiumcontent
@@ -1 +1 @@
-Subproject commit 2f53a96fc665176d7e07b67bac6d861295587ce8
+Subproject commit fc02d9380a52ed648196ea6a0d9053483f233658