Change webkit/{fileapi,quota} code to use TaskRunner.

webkit/fileapi/file_system_test_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 "webkit/fileapi/file_system_test_helper.h"
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "googleurl/src/gurl.h"
@@ skipping 157 matching lines @@
 
 int64 FileSystemTestOriginHelper::ComputeCurrentDirectoryDatabaseUsage() const {
   return file_util::ComputeDirectorySize(
       GetOriginRootPath().AppendASCII("Paths"));
 }
 
 FileSystemOperation* FileSystemTestOriginHelper::NewOperation() {
   DCHECK(file_system_context_.get());
   DCHECK(file_util_);
   FileSystemOperation* operation =
-    new FileSystemOperation(base::MessageLoopProxy::current(),
-                            file_system_context_.get());
+    new FileSystemOperation(file_system_context_.get());
   operation->set_override_file_util(file_util_);
   return operation;
 }
 
 FileSystemOperationContext* FileSystemTestOriginHelper::NewOperationContext() {
   DCHECK(file_system_context_.get());
   FileSystemOperationContext* context =
     new FileSystemOperationContext(file_system_context_.get());
   return context;
 }
 
 }  // namespace fileapi