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

components/html_viewer/web_url_loader_impl.h

Index: components/html_viewer/web_url_loader_impl.h
diff --git a/components/html_viewer/web_url_loader_impl.h b/components/html_viewer/web_url_loader_impl.h
index c8a788f57fa22b8f754e5801027943b4499218bd..f8293316d767b739db0b805e72c8706435091b42 100644
--- a/components/html_viewer/web_url_loader_impl.h
+++ b/components/html_viewer/web_url_loader_impl.h
@@ -47,6 +47,7 @@ class WebURLLoaderImpl : public blink::WebURLLoader {
                                   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);