[Reland] Post loading tasks on the appropriate WebFrameScheduler's queue

components/html_viewer/web_url_loader_impl.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_HTML_VIEWER_WEB_URL_LOADER_IMPL_H_
 #define COMPONENTS_HTML_VIEWER_WEB_URL_LOADER_IMPL_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/html_viewer/mock_web_blob_registry_impl.h"
@@ skipping 29 matching lines @@
 
   // blink::WebURLLoader methods:
   virtual void loadSynchronously(const blink::WebURLRequest& request,
                                  blink::WebURLResponse& response,
                                  blink::WebURLError& error,
                                  blink::WebData& data);
   virtual void loadAsynchronously(const blink::WebURLRequest&,
                                   blink::WebURLLoaderClient* client);
   virtual void cancel();
   virtual void setDefersLoading(bool defers_loading);
+  virtual void setLoadingTaskRunner(blink::WebTaskRunner* web_task_runner);
 
   void OnReceivedResponse(const blink::WebURLRequest& request,
                           mojo::URLResponsePtr response);
   void OnReceivedError(mojo::URLResponsePtr response);
   void OnReceivedRedirect(const blink::WebURLRequest& request,
                           mojo::URLResponsePtr response);
   void OnReceiveWebBlobData(
       const blink::WebURLRequest& request,
       const blink::WebVector<blink::WebBlobData::Item*>& items);
   void ReadMore();
   void WaitToReadMore();
   void OnResponseBodyStreamReady(MojoResult result);
 
   blink::WebURLLoaderClient* client_;
   MockWebBlobRegistryImpl* web_blob_registry_;
   GURL url_;
   blink::WebReferrerPolicy referrer_policy_;
   mojo::URLLoaderPtr url_loader_;
   mojo::ScopedDataPipeConsumerHandle response_body_stream_;
   mojo::common::HandleWatcher handle_watcher_;
 
   base::WeakPtrFactory<WebURLLoaderImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebURLLoaderImpl);
 };
 
 }  // namespace html_viewer
 
 #endif  // COMPONENTS_HTML_VIEWER_WEB_URL_LOADER_IMPL_H_