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

chrome/browser/extensions/extension_bookmark_manager_api.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_EXTENSIONS_EXTENSION_BOOKMARK_MANAGER_API_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARK_MANAGER_API_H_
 #pragma once
 
 #include "chrome/browser/bookmarks/bookmark_drag_data.h"
 #include "chrome/browser/extensions/extension_bookmarks_module.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 
 struct BookmarkDragData;
-class BookmarkNode;
 class ListValue;
 class Profile;
 class TabContents;
 
 // Class that handles the chrome.experimental.bookmarkManager events.
 class ExtensionBookmarkManagerEventRouter
     : public RenderViewHostDelegate::BookmarkDrag {
  public:
   ExtensionBookmarkManagerEventRouter(Profile* profile,
                                       TabContents* tab_contents);
@@ skipping 109 matching lines @@
 class GetSubtreeBookmarkManagerFunction : public BookmarksFunction {
  public:
   // Override BookmarksFunction
   virtual bool RunImpl();
 
  private:
   DECLARE_EXTENSION_FUNCTION_NAME("experimental.bookmarkManager.getSubtree");
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_BOOKMARK_MANAGER_API_H_