[Sync] Have SyncableService's take ownership of their SyncChangeProcessor.

chrome/browser/search_engines/template_url_service_test_util.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.
 
 #include "chrome/browser/search_engines/template_url_service_test_util.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
@@ skipping 219 matching lines @@
   return TemplateURLServiceFactory::GetForProfile(profile());
 }
 
 TestingProfile* TemplateURLServiceTestUtil::profile() const {
   return profile_.get();
 }
 
 void TemplateURLServiceTestUtil::StartIOThread() {
   profile_->StartIOThread();
 }
+
+void TemplateURLServiceTestUtil::PumpLoop() {
+  message_loop_.RunAllPending();
+}