Remove obviously unneeded forward declarations in chrome/browser/[abef]*/*.h.

chrome/browser/bookmarks/bookmark_context_menu_controller.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_BOOKMARKS_BOOKMARK_CONTEXT_MENU_CONTROLLER_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_CONTEXT_MENU_CONTROLLER_H_
 #pragma once
 
 #include <vector>
 
 #include "app/menus/simple_menu_model.h"
 #include "base/basictypes.h"
 #include "chrome/browser/bookmarks/base_bookmark_model_observer.h"
 #include "gfx/native_widget_types.h"
 
-class Browser;
 class PageNavigator;
 class Profile;
 
 // An interface implemented by an object that performs actions on the actual
 // menu for the controller.
 class BookmarkContextMenuControllerDelegate {
  public:
   virtual ~BookmarkContextMenuControllerDelegate() {}
 
   // Closes the bookmark context menu.
@@ skipping 66 matching lines @@
   PageNavigator* navigator_;
   const BookmarkNode* parent_;
   std::vector<const BookmarkNode*> selection_;
   BookmarkModel* model_;
   scoped_ptr<menus::SimpleMenuModel> menu_model_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkContextMenuController);
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_CONTEXT_MENU_CONTROLLER_H_