Move BookmarkExpandedStateTracker into bookmarks namespace.

chrome/browser/ui/cocoa/bookmarks/bookmark_editor_base_controller.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_UI_COCOA_BOOKMARKS_BOOKMARK_EDITOR_BASE_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_EDITOR_BASE_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
@@ skipping 79 matching lines @@
 
 // Methods for use by derived classes only.
 
 // Determine and returns the rightmost selected/highlighted element (node)
 // in the bookmark tree view if the tree view is showing, otherwise returns
 // the original |parentNode_|.  If the tree view is showing but nothing is
 // selected then the root node is returned.
 - (const BookmarkNode*)selectedNode;
 
 // Expands the set of BookmarkNodes in |nodes|.
-- (void)expandNodes:(const BookmarkExpandedStateTracker::Nodes&)nodes;
+- (void)expandNodes:(
+    const bookmarks::BookmarkExpandedStateTracker::Nodes&)nodes;
 
 // Returns the set of expanded BookmarkNodes.
-- (BookmarkExpandedStateTracker::Nodes)getExpandedNodes;
+- (bookmarks::BookmarkExpandedStateTracker::Nodes)getExpandedNodes;
 
 // Select/highlight the given node within the browser tree view.  If the
 // node is nil then select the bookmark bar node.  Exposed for unit test.
 - (void)selectNodeInBrowser:(const BookmarkNode*)node;
 
 // Notifications called when the BookmarkModel changes out from under me.
 - (void)nodeRemoved:(const BookmarkNode*)node
          fromParent:(const BookmarkNode*)parent;
 - (void)modelChangedPreserveSelection:(BOOL)preserve;
 
@@ skipping 63 matching lines @@
 
 // Select the given bookmark node within the tree view.
 - (void)selectTestNodeInBrowser:(const BookmarkNode*)node;
 
 // Return the dictionary for the folder selected in the tree.
 - (BookmarkFolderInfo*)selectedFolder;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_EDITOR_BASE_CONTROLLER_H_