Making window.focus() work in Chrome

views/window/window.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef VIEWS_WINDOW_WINDOW_H_
 #define VIEWS_WINDOW_WINDOW_H_
 #pragma once
 
 #include "gfx/native_widget_types.h"
 
@@ skipping 75 matching lines @@
   virtual void PopForceHidden() = 0;
 
   // Prevents the window from being rendered as deactivated the next time it is.
   // This state is reset automatically as soon as the window becomes activated
   // again. There is no ability to control the state through this API as this
   // leads to sync problems.
   // For Gtk use WidgetGtk::make_transient_to_parent.
   virtual void DisableInactiveRendering() = 0;
 #endif
 
-  // Activate the window, assuming it already exists and is visible.
+  // Activates the window, assuming it already exists and is visible.
   virtual void Activate() = 0;
 
+  // Deactivates the window, making the next window in the Z order the active
+  // window.
+  virtual void Deactivate() = 0;
+
   // Closes the window, ultimately destroying it. This isn't immediate (it
   // occurs after a return to the message loop. Implementors must also make sure
   // that invoking Close multiple times doesn't cause bad things to happen,
   // since it can happen.
   virtual void Close() = 0;
 
   // Maximizes/minimizes/restores the window.
   virtual void Maximize() = 0;
   virtual void Minimize() = 0;
   virtual void Restore() = 0;
@@ skipping 55 matching lines @@
   // Whether we should be using a native frame.
   virtual bool ShouldUseNativeFrame() const = 0;
 
   // Tell the window that something caused the frame type to change.
   virtual void FrameTypeChanged() = 0;
 };
 
 }  // namespace views
 
 #endif  // #ifndef VIEWS_WINDOW_WINDOW_H_