Delay bookmarks load while the profile is loading.

chrome/browser/bookmarks/bookmark_model.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_BOOKMARKS_BOOKMARK_MODEL_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 15 matching lines @@
 #include "ui/gfx/image/image.h"
 
 class BookmarkExpandedStateTracker;
 class BookmarkIndex;
 class BookmarkLoadDetails;
 class BookmarkModel;
 class BookmarkModelObserver;
 class BookmarkStorage;
 class Profile;
 
+namespace base {
+class SequencedTaskRunner;
+}
+
 namespace bookmark_utils {
 struct TitleMatch;
 }
 
 namespace history {
 struct FaviconImageResult;
 }
 
 // BookmarkNode ---------------------------------------------------------------
 
@@ skipping 183 matching lines @@
                       public ProfileKeyedService {
  public:
   explicit BookmarkModel(Profile* profile);
   virtual ~BookmarkModel();
 
   // Invoked prior to destruction to release any necessary resources.
   virtual void Shutdown() OVERRIDE;
 
   // Loads the bookmarks. This is called upon creation of the
   // BookmarkModel. You need not invoke this directly.
-  void Load();
+  // All load operations will be executed on |task_runner|.
+  void Load(const scoped_refptr<base::SequencedTaskRunner>& task_runner);
 
   // Returns true if the model finished loading.
   // This is virtual so it can be mocked.
   virtual bool IsLoaded() const;
 
   // Returns the root node. The 'bookmark bar' node and 'other' node are
   // children of the root node.
   const BookmarkNode* root_node() { return &root_; }
 
   // Returns the 'bookmark bar' node. This is NULL until loaded.
@@ skipping 289 matching lines @@
 
   // See description of IsDoingExtensiveChanges above.
   int extensive_changes_;
 
   scoped_ptr<BookmarkExpandedStateTracker> expanded_state_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkModel);
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_H_