Moving notification types which are chrome specific to a new header file chrome_notification_type...

chrome/browser/tab_contents/background_contents.h

 // Copyright (c) 2011 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_TAB_CONTENTS_BACKGROUND_CONTENTS_H_
 #define CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 102 matching lines @@
                                       bool* is_keyboard_shortcut);
   virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event) {}
   virtual void HandleMouseMove() {}
   virtual void HandleMouseDown() {}
   virtual void HandleMouseLeave() {}
   virtual void HandleMouseUp() {}
   virtual void HandleMouseActivate() {}
   virtual void UpdatePreferredSize(const gfx::Size& new_size) {}
 
   // NotificationObserver
-  virtual void Observe(NotificationType type,
+  virtual void Observe(int type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // Overridden from JavaScriptDialogDelegate:
   virtual void OnDialogClosed(IPC::Message* reply_msg,
                               bool success,
                               const string16& user_input) OVERRIDE;
   virtual gfx::NativeWindow GetDialogRootWindow() OVERRIDE;
 
   virtual void UpdateInspectorSetting(const std::string& key,
@@ skipping 35 matching lines @@
   BackgroundContents* contents;
 
   // The name of the parent frame for these contents.
   const string16& frame_name;
 
   // The ID of the parent application (if any).
   const string16& application_id;
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_