Do not delay most visited results.

chrome/test/base/testing_profile.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_TEST_BASE_TESTING_PROFILE_H_
 #define CHROME_TEST_BASE_TESTING_PROFILE_H_
 
 #include <string>
 
 #include "base/files/scoped_temp_dir.h"
@@ skipping 164 matching lines @@
   bool CreateHistoryService(bool delete_file, bool no_db) WARN_UNUSED_RESULT;
 
   // Shuts down and nulls out the reference to HistoryService.
   void DestroyHistoryService();
 
   // Creates TopSites. This returns immediately, and top sites may not be
   // loaded. Use BlockUntilTopSitesLoaded to ensure TopSites has finished
   // loading.
   void CreateTopSites();
 
+  // Allows to set a test implementation |top_sites|. Testing profile owns
+  // the reference and is responsible for releasing memory.
+  void SetTopSites(history::TopSites* top_sites);
+
   // Shuts down and nulls out the reference to TopSites.
   void DestroyTopSites();
 
   // Creates the BookmarkBarModel. If not invoked the bookmark bar model is
   // NULL. If |delete_file| is true, the bookmarks file is deleted first, then
   // the model is created. As TestingProfile deletes the directory containing
   // the files used by HistoryService, the boolean only matters if you're
   // recreating the BookmarkModel.
   //
   // NOTE: this does not block until the bookmarks are loaded. For that use
@@ skipping 213 matching lines @@
 
   // Weak pointer to a delegate for indicating that a profile was created.
   Delegate* delegate_;
 
   std::string profile_name_;
 
   scoped_ptr<policy::PolicyService> policy_service_;
 };
 
 #endif  // CHROME_TEST_BASE_TESTING_PROFILE_H_