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

webkit/database/database_quota_client.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/database/database_quota_client.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
@@ skipping 154 matching lines @@
                               base::Unretained(this)));
     if (rv == net::ERR_IO_PENDING)
       return false;  // we wait for the callback
     OnCompletionCallback(rv);
     return false;
   }
 
   void OnCompletionCallback(int rv) {
     if (rv == net::OK)
       result_ = quota::kQuotaStatusOk;
-    original_message_loop()->PostTask(
+    original_task_runner()->PostTask(
         FROM_HERE, base::Bind(&DeleteOriginTask::CallCompleted, this));
     Release();  // balanced in RunOnTargetThreadAsync
   }
 
   const GURL origin_url_;
   quota::QuotaStatusCode result_;
   DeletionCallback caller_callback_;
   net::CompletionCallback completion_callback_;
 };
 
@@ skipping 106 matching lines @@
 }
 
 void DatabaseQuotaClient::DidGetOriginsForHost(
     const std::string& host, const std::set<GURL>& origins,
     quota::StorageType type) {
   DCHECK(origins_for_host_callbacks_.HasCallbacks(host));
   origins_for_host_callbacks_.Run(host, origins, type);
 }
 
 }  // namespace webkit_database