Use base::MessageLoop in more files.

webkit/tools/test_shell/simple_file_system.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 "webkit/tools/test_shell/simple_file_system.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
@@ skipping 33 matching lines @@
 
 using webkit_blob::BlobData;
 using webkit_blob::BlobStorageController;
 using fileapi::DirectoryEntry;
 using fileapi::FileSystemContext;
 using fileapi::FileSystemOperation;
 using fileapi::FileSystemTaskRunners;
 using fileapi::FileSystemURL;
 
 namespace {
-MessageLoop* g_io_thread;
+base::MessageLoop* g_io_thread;
 webkit_blob::BlobStorageController* g_blob_storage_controller;
 
 void RegisterBlob(const GURL& blob_url, const base::FilePath& file_path) {
   DCHECK(g_blob_storage_controller);
 
   base::FilePath::StringType extension = file_path.Extension();
   if (!extension.empty())
     extension = extension.substr(1);  // Strip leading ".".
 
   // This may fail, but then we'll be just setting the empty mime type.
@@ skipping 336 matching lines @@
     web_file_info.modificationTime = info.last_modified.ToDoubleT();
     web_file_info.type = info.is_directory ?
         WebFileInfo::TypeDirectory : WebFileInfo::TypeFile;
     web_file_info.platformPath =
         webkit_base::FilePathToWebString(platform_path);
     callbacks->didCreateSnapshotFile(web_file_info);
   } else {
     callbacks->didFail(fileapi::PlatformFileErrorToWebFileError(result));
   }
 }