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

webkit/browser/fileapi/local_file_system_operation_write_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 <vector>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_job.h"
 #include "net/url_request/url_request_job_factory_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 #include "webkit/browser/blob/blob_storage_controller.h"
 #include "webkit/browser/blob/blob_url_request_job.h"
 #include "webkit/browser/blob/mock_blob_url_request_context.h"
@@ skipping 309 matching lines @@
   EXPECT_EQ(base::PLATFORM_FILE_ERROR_ABORT, status());
   EXPECT_EQ(base::PLATFORM_FILE_OK, cancel_status());
   EXPECT_TRUE(complete());
 
   EXPECT_EQ(0, change_observer()->get_and_reset_modify_file_count());
 }
 
 // TODO(ericu,dmikurube,kinuko): Add more tests for cancel cases.
 
 }  // namespace fileapi