PROTOTYPE: PlzNavigate: use a Mojo data pipe to stream navigation data to the renderer.

content/browser/loader/navigation_url_loader_impl.cc

 // 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.
 
 #include "content/browser/loader/navigation_url_loader_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 54 matching lines @@
 void NavigationURLLoaderImpl::NotifyRequestRedirected(
     const net::RedirectInfo& redirect_info,
     const scoped_refptr<ResourceResponse>& response) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   delegate_->OnRequestRedirected(redirect_info, response);
 }
 
 void NavigationURLLoaderImpl::NotifyResponseStarted(
     const scoped_refptr<ResourceResponse>& response,
-    scoped_ptr<StreamHandle> body) {
+    mojo::ScopedDataPipeConsumerHandle data_consumer_handle,
+    int request_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  delegate_->OnResponseStarted(response, std::move(body));
+  delegate_->OnResponseStarted(response, std::move(data_consumer_handle),
+                               request_id);
 }
 
 void NavigationURLLoaderImpl::NotifyRequestFailed(bool in_cache,
                                                   int net_error) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   delegate_->OnRequestFailed(in_cache, net_error);
 }
 
 void NavigationURLLoaderImpl::NotifyRequestStarted(base::TimeTicks timestamp) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   delegate_->OnRequestStarted(timestamp);
 }
 
 }  // namespace content