Making window.focus() work in Chrome

chrome/browser/notifications/balloon_host.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 CHROME_BROWSER_NOTIFICATIONS_BALLOON_HOST_H_
 #define CHROME_BROWSER_NOTIFICATIONS_BALLOON_HOST_H_
 #pragma once
 
 #include <string>
 
@@ skipping 85 matching lines @@
   virtual void ShowContextMenu(const ContextMenuParams& params) {}
   virtual void StartDragging(const WebDropData& drop_data,
                              WebKit::WebDragOperationsMask allowed_ops) {}
   virtual void StartDragging(const WebDropData&,
                              WebKit::WebDragOperationsMask,
                              const SkBitmap&,
                              const gfx::Point&) {}
   virtual void UpdateDragCursor(WebKit::WebDragOperation operation) {}
   virtual void GotFocus() {}
   virtual void TakeFocus(bool reverse) {}
+  virtual void Activate() {}
+  virtual void Deactivate() {}
   virtual bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                                       bool* is_keyboard_shortcut) {
     return false;
   }
   virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event) {}
   virtual void HandleMouseMove() {}
   virtual void HandleMouseDown() {}
   virtual void HandleMouseLeave() {}
   virtual void UpdatePreferredSize(const gfx::Size& pref_size);
   virtual RendererPreferences GetRendererPrefs(Profile* profile) const;
@@ skipping 28 matching lines @@
 
   // Common implementations of some RenderViewHostDelegate::View methods.
   RenderViewHostDelegateViewHelper delegate_view_helper_;
 
   // Handles requests to extension APIs. Will only be non-NULL if we are
   // rendering a page from an extension.
   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_BALLOON_HOST_H_