Replace more ObserverList with base::ObserverList.

components/bookmarks/browser/bookmark_model.h

 // Copyright 2014 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 COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_MODEL_H_
 #define COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_MODEL_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 398 matching lines @@
   BookmarkNode root_;
 
   BookmarkPermanentNode* bookmark_bar_node_;
   BookmarkPermanentNode* other_node_;
   BookmarkPermanentNode* mobile_node_;
 
   // The maximum ID assigned to the bookmark nodes in the model.
   int64 next_node_id_;
 
   // The observers.
-  ObserverList<BookmarkModelObserver> observers_;
+  base::ObserverList<BookmarkModelObserver> observers_;
 
   // Set of nodes ordered by URL. This is not a map to avoid copying the
   // urls.
   // WARNING: |nodes_ordered_by_url_set_| is accessed on multiple threads. As
   // such, be sure and wrap all usage of it around |url_lock_|.
   typedef std::multiset<BookmarkNode*, NodeURLComparator> NodesOrderedByURLSet;
   NodesOrderedByURLSet nodes_ordered_by_url_set_;
   base::Lock url_lock_;
 
   // Used for loading favicons.
@@ skipping 12 matching lines @@
   scoped_ptr<BookmarkExpandedStateTracker> expanded_state_tracker_;
 
   std::set<std::string> non_cloned_keys_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkModel);
 };
 
 }  // namespace bookmarks
 
 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_MODEL_H_