Ensure tests have an active task runner

chrome/browser/sync/profile_sync_service_bookmark_unittest.cc

 // 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.
 
 // TODO(akalin): This file is basically just a unit test for
 // BookmarkChangeProcessor.  Write unit tests for
 // BookmarkModelAssociator separately.
 
 #include <map>
 #include <queue>
@@ skipping 310 matching lines @@
 };
 
 
 class ProfileSyncServiceBookmarkTest : public testing::Test {
  protected:
   enum LoadOption { LOAD_FROM_STORAGE, DELETE_EXISTING_STORAGE };
   enum SaveOption { SAVE_TO_STORAGE, DONT_SAVE_TO_STORAGE };
 
   ProfileSyncServiceBookmarkTest()
       : model_(NULL),
-        thread_bundle_(content::TestBrowserThreadBundle::DEFAULT),
         local_merge_result_(syncer::BOOKMARKS),
         syncer_merge_result_(syncer::BOOKMARKS) {}
 
   virtual ~ProfileSyncServiceBookmarkTest() {
     StopSync();
     UnloadBookmarkModel();
   }
 
   virtual void SetUp() {
     test_user_share_.SetUp();
@@ skipping 404 matching lines @@
   int64 other_bookmarks_id() {
     return
         model_associator_->GetSyncIdFromChromeId(model_->other_node()->id());
   }
 
   int64 bookmark_bar_id() {
     return model_associator_->GetSyncIdFromChromeId(
         model_->bookmark_bar_node()->id());
   }
 
+ private:
+  content::TestBrowserThreadBundle thread_bundle_;
+
  protected:
   TestingProfile profile_;
   BookmarkModel* model_;
   syncer::TestUserShare test_user_share_;
   scoped_ptr<BookmarkChangeProcessor> change_processor_;
   StrictMock<sync_driver::DataTypeErrorHandlerMock> mock_error_handler_;
   scoped_ptr<BookmarkModelAssociator> model_associator_;
 
  private:
-  content::TestBrowserThreadBundle thread_bundle_;
   syncer::SyncMergeResult local_merge_result_;
   syncer::SyncMergeResult syncer_merge_result_;
 };
 
 TEST_F(ProfileSyncServiceBookmarkTest, InitialState) {
   LoadBookmarkModel(DELETE_EXISTING_STORAGE, DONT_SAVE_TO_STORAGE);
   StartSync();
 
   EXPECT_TRUE(other_bookmarks_id());
   EXPECT_TRUE(bookmark_bar_id());
@@ skipping 1654 matching lines @@
   ExpectModelMatch();
 
   // Then simulate the add call arriving late.
   change_processor_->BookmarkNodeAdded(model_, model_->bookmark_bar_node(), 0);
   ExpectModelMatch();
 }
 
 }  // namespace
 
 }  // namespace browser_sync