Limit access to ChromeBookmarkClient to bookmarks code

chrome/browser/extensions/api/bookmarks/bookmark_api_helpers.h

 // Copyright (c) 2012 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_API_BOOKMARKS_BOOKMARK_API_HELPERS_H_
 #define CHROME_BROWSER_EXTENSIONS_API_BOOKMARKS_BOOKMARK_API_HELPERS_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "chrome/common/extensions/api/bookmarks.h"
 
-class ChromeBookmarkClient;
-
 namespace bookmarks {
 class BookmarkModel;
 class BookmarkNode;
 }
 
 // Helper functions.
 namespace extensions {
 namespace bookmark_api_helpers {
 
 // The returned value is owned by the caller.
 api::bookmarks::BookmarkTreeNode* GetBookmarkTreeNode(
-    ChromeBookmarkClient* client,
+    bookmarks::BookmarkModel* model,
     const bookmarks::BookmarkNode* node,
     bool recurse,
     bool only_folders);
 
 // Add a JSON representation of |node| to the JSON |nodes|.
-void AddNode(ChromeBookmarkClient* client,
+void AddNode(bookmarks::BookmarkModel* model,
              const bookmarks::BookmarkNode* node,
              std::vector<linked_ptr<api::bookmarks::BookmarkTreeNode> >* nodes,
              bool recurse);
 
-void AddNodeFoldersOnly(ChromeBookmarkClient* client,
+void AddNodeFoldersOnly(bookmarks::BookmarkModel* client,
                         const bookmarks::BookmarkNode* node,
                         std::vector<linked_ptr<
                             api::bookmarks::BookmarkTreeNode> >* nodes,
                         bool recurse);
 
 bool RemoveNode(bookmarks::BookmarkModel* model,
-                ChromeBookmarkClient* client,
                 int64 id,
                 bool recursive,
                 std::string* error);
 
 // Get meta info from |node| and all it's children recursively.
 void GetMetaInfo(const bookmarks::BookmarkNode& node,
                  base::DictionaryValue* id_to_meta_info_map);
 
 }  // namespace bookmark_api_helpers
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_BOOKMARKS_BOOKMARK_API_HELPERS_H_