Cleanup: Remove unneeded forward declarations in chrome/browser/sync.

chrome/browser/sync/glue/bookmark_model_associator.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_SYNC_GLUE_BOOKMARK_MODEL_ASSOCIATOR_H_
 #define CHROME_BROWSER_SYNC_GLUE_BOOKMARK_MODEL_ASSOCIATOR_H_
 #pragma once
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/task.h"
 #include "chrome/browser/sync/unrecoverable_error_handler.h"
 #include "chrome/browser/sync/glue/model_associator.h"
 
 class BookmarkModel;
 class BookmarkNode;
 
 namespace sync_api {
 class BaseNode;
-class BaseTransaction;
-class ReadNode;
 struct UserShare;
 }
 
 namespace browser_sync {
 
-class BookmarkChangeProcessor;
-
 // Contains all model association related logic:
 // * Algorithm to associate bookmark model and sync model.
 // * Methods to get a bookmark node for a given sync node and vice versa.
 // * Persisting model associations and loading them back.
 class BookmarkModelAssociator
     : public PerDataTypeAssociatorInterface<BookmarkNode, int64> {
  public:
   static syncable::ModelType model_type() { return syncable::BOOKMARKS; }
   BookmarkModelAssociator(
       BookmarkModel* bookmark_model,
@@ skipping 97 matching lines @@
   ScopedRunnableMethodFactory<BookmarkModelAssociator> persist_associations_;
 
   int number_of_new_sync_nodes_created_at_association_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkModelAssociator);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_BOOKMARK_MODEL_ASSOCIATOR_H_