Move ui_test_utils::RunMessageLoop to test_utils so that it can be reused by content_browsertests.

chrome/browser/sync/test/integration/sessions_helper.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/sync/test/integration/sessions_helper.h"
 
 #include <algorithm>
 
 #include "base/stl_util.h"
 #include "base/test/test_timeouts.h"
@@ skipping 121 matching lines @@
       if (base::TimeTicks::Now() >= end_time) {
         LOG(ERROR) << "Failed to find all tabs after "
                    << TestTimeouts::action_max_timeout().InSecondsF()
                    << " seconds.";
         return false;
       }
       if (!found) {
         ProfileSyncServiceFactory::GetInstance()->GetForProfile(
             test()->GetProfile(index))->GetSessionModelAssociator()->
             BlockUntilLocalChangeForTest(TestTimeouts::action_max_timeout());
-        ui_test_utils::RunMessageLoop();
+        content::RunMessageLoop();
       }
     }
   }
   return true;
 }
 
 bool GetLocalWindows(int index, SessionWindowMap* local_windows) {
   // The local session provided by GetLocalSession is owned, and has lifetime
   // controlled, by the model associator, so we must make our own copy.
   const browser_sync::SyncedSession* local_session;
@@ skipping 154 matching lines @@
   return true;
 }
 
 void DeleteForeignSession(int index, std::string session_tag) {
   ProfileSyncServiceFactory::GetInstance()->GetForProfile(
       test()->GetProfile(index))->
       GetSessionModelAssociator()->DeleteForeignSession(session_tag);
 }
 
 }  // namespace sessions_helper