Use a direct include of the message_loop header in webkit/, part 1.

webkit/browser/appcache/appcache_group_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.
 
 #include <string>
 
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/browser/appcache/appcache.h"
 #include "webkit/browser/appcache/appcache_group.h"
 #include "webkit/browser/appcache/appcache_host.h"
 #include "webkit/browser/appcache/appcache_update_job.h"
 #include "webkit/browser/appcache/mock_appcache_service.h"
 #include "webkit/common/appcache/appcache_interfaces.h"
 
 namespace {
 
@@ skipping 275 matching lines @@
   EXPECT_TRUE(group->FindObserver(&host, group->observers_));
 
   // Delete update to cause it to complete. Verify host is notified.
   delete group->update_job_;
   EXPECT_EQ(AppCacheGroup::IDLE, group->update_status_);
   EXPECT_TRUE(group->restart_update_task_.IsCancelled());
   EXPECT_TRUE(host.update_completed_);
 }
 
 }  // namespace appcache