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

content/child/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 CONTENT_CHILD_WEB_URL_LOADER_IMPL_H_
 #define CONTENT_CHILD_WEB_URL_LOADER_IMPL_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
@@ skipping 18 matching lines @@
  public:
   // TODO(clamy): The browser should be made aware on destruction of this struct
   // that it can release its associated stream handle.
   GURL stream_url;
   ResourceResponseHead response;
 };
 
 class CONTENT_EXPORT WebURLLoaderImpl
     : public NON_EXPORTED_BASE(blink::WebURLLoader) {
  public:
-  explicit WebURLLoaderImpl(
-      ResourceDispatcher* resource_dispatcher,
-      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
+
+  // Takes ownership of |web_task_runner|.
+  WebURLLoaderImpl(ResourceDispatcher* resource_dispatcher,
+                   scoped_ptr<blink::WebTaskRunner> web_task_runner);
   ~WebURLLoaderImpl() override;
 
   static void PopulateURLResponse(const GURL& url,
                                   const ResourceResponseInfo& info,
                                   blink::WebURLResponse* response,
                                   bool report_security_info);
   static void PopulateURLRequestForRedirect(
       const blink::WebURLRequest& request,
       const net::RedirectInfo& redirect_info,
       blink::WebReferrerPolicy referrer_policy,
       bool skip_service_worker,
       blink::WebURLRequest* new_request);
 
   // WebURLLoader methods:
   void loadSynchronously(
       const blink::WebURLRequest& request,
       blink::WebURLResponse& response,
       blink::WebURLError& error,
       blink::WebData& data) override;
   void loadAsynchronously(
       const blink::WebURLRequest& request,
       blink::WebURLLoaderClient* client) override;
   void cancel() override;
   void setDefersLoading(bool value) override;
   void didChangePriority(blink::WebURLRequest::Priority new_priority,
                          int intra_priority_value) override;
   bool attachThreadedDataReceiver(
       blink::WebThreadedDataReceiver* threaded_data_receiver) override;
+  void setLoadingTaskRunner(blink::WebTaskRunner* loading_task_runner) override;
 
  private:
   class Context;
   scoped_refptr<Context> context_;
 
   DISALLOW_COPY_AND_ASSIGN(WebURLLoaderImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEB_URL_LOADER_IMPL_H_