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

webkit/tools/test_shell/simple_file_writer.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_writer.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
@@ skipping 68 matching lines @@
       return;
     }
     operation_->Cancel(base::Bind(&IOThreadProxy::DidFinish, this));
   }
 
  private:
   friend class base::RefCountedThreadSafe<IOThreadProxy>;
   virtual ~IOThreadProxy() {}
 
   FileSystemOperationInterface* GetNewOperation(const GURL& path) {
-    return file_system_context_->CreateFileSystemOperation(path, io_thread_);
+    return file_system_context_->CreateFileSystemOperation(path);
   }
 
   void DidSucceedOnMainThread() {
     if (!main_thread_->BelongsToCurrentThread()) {
       main_thread_->PostTask(
           FROM_HERE,
           base::Bind(&IOThreadProxy::DidSucceedOnMainThread, this));
       return;
     }
     if (simple_writer_)
@@ skipping 76 matching lines @@
 }
 
 void SimpleFileWriter::DoWrite(
     const GURL& path, const GURL& blob_url, int64 offset) {
   io_thread_proxy_->Write(path, blob_url, offset);
 }
 
 void SimpleFileWriter::DoCancel() {
   io_thread_proxy_->Cancel();
 }