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

chrome/browser/tab_contents/tab_contents_view_mac.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_TAB_CONTENTS_VIEW_MAC_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_MAC_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
@@ skipping 82 matching lines @@
   virtual void StartDragging(const WebDropData& drop_data,
                              WebKit::WebDragOperationsMask allowed_operations,
                              const SkBitmap& image,
                              const gfx::Point& image_offset);
   virtual void UpdateDragCursor(WebKit::WebDragOperation operation);
   virtual void GotFocus();
   virtual void TakeFocus(bool reverse);
 
   // NotificationObserver implementation ---------------------------------------
 
-  virtual void Observe(NotificationType type,
+  virtual void Observe(int type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // A helper method for closing the tab in the
   // CloseTabAfterEventTracking() implementation.
   void CloseTab();
 
   int preferred_width() const { return preferred_width_; }
 
  private:
@@ skipping 11 matching lines @@
   // visible.
   scoped_nsobject<SadTabController> sad_tab_;
 
   // The page content's intrinsic width.
   int preferred_width_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsViewMac);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_MAC_H_