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

webkit/browser/fileapi/file_writer_delegate_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 <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/scoped_temp_dir.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "net/base/io_buffer.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_status.h"
 #include "testing/platform_test.h"
 #include "url/gurl.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_file_util.h"
 #include "webkit/browser/fileapi/file_system_operation_context.h"
@@ skipping 447 matching lines @@
     file_writer_delegate_.reset();
 
     EXPECT_EQ(pre_write_usage + allowed_growth, usage());
     EXPECT_EQ(GetFileSizeOnDisk("test"), usage());
     EXPECT_EQ(kOverlap + allowed_growth, result.bytes_written());
     EXPECT_EQ(base::PLATFORM_FILE_ERROR_NO_SPACE, result.status());
   }
 }
 
 }  // namespace fileapi