Introduce WebTaskRunner Patch 3/5

Source/core/loader/DocumentThreadableLoader.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 49 matching lines @@
 namespace blink {
 
 namespace {
 
 class EmptyDataHandle final : public WebDataConsumerHandle {
 private:
     class EmptyDataReader final : public WebDataConsumerHandle::Reader {
     public:
         explicit EmptyDataReader(WebDataConsumerHandle::Client* client) : m_factory(this)
         {
-            Platform::current()->currentThread()->postTask(FROM_HERE, new Task(bind(&EmptyDataReader::notify, m_factory.createWeakPtr(), client)));
+            Platform::current()->currentThread()->taskRunner()->postTask(FROM_HERE, new Task(bind(&EmptyDataReader::notify, m_factory.createWeakPtr(), client)));
         }
     private:
         Result read(void*, size_t, WebDataConsumerHandle::Flags, size_t *readSize) override
         {
             *readSize = 0;
             return Done;
         }
         Result beginRead(const void** buffer, WebDataConsumerHandle::Flags, size_t *available) override
         {
             *available = 0;
@@ skipping 670 matching lines @@
         return DoNotAllowStoredCredentials;
     return m_resourceLoaderOptions.allowCredentials;
 }
 
 SecurityOrigin* DocumentThreadableLoader::securityOrigin() const
 {
     return m_securityOrigin ? m_securityOrigin.get() : m_document.securityOrigin();
 }
 
 } // namespace blink