network service: Plumbing to get URLLoaderFactory to renderer on nav commit

content/renderer/render_frame_impl.cc

 // Copyright 2013 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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 5220 matching lines @@
 
 void RenderFrameImpl::FocusedNodeChangedForAccessibility(const WebNode& node) {
   if (render_accessibility())
     render_accessibility()->AccessibilityFocusedNodeChanged(node);
 }
 
 // PlzNavigate
 void RenderFrameImpl::OnCommitNavigation(
     const ResourceResponseHead& response,
     const GURL& stream_url,
-    mojo::DataPipeConsumerHandle handle,
+    const FrameMsg_CommitDataNetworkService_Params& commit_data,
     const CommonNavigationParams& common_params,
     const RequestNavigationParams& request_params) {
   CHECK(IsBrowserSideNavigationEnabled());
   // This will override the url requested by the WebURLLoader, as well as
   // provide it with the response to the request.
   std::unique_ptr<StreamOverrideParameters> stream_override(
       new StreamOverrideParameters());
   stream_override->stream_url = stream_url;
-  stream_override->consumer_handle = mojo::ScopedDataPipeConsumerHandle(handle);
+  stream_override->consumer_handle =
+      mojo::ScopedDataPipeConsumerHandle(commit_data.handle);
   stream_override->response = response;
   stream_override->redirects = request_params.redirects;
   stream_override->redirect_responses = request_params.redirect_response;
   stream_override->redirect_infos = request_params.redirect_infos;
 
+  if (commit_data.url_loader_factory.is_valid()) {
+    // Chrome doesn't use interface versioning.
+    url_loader_factory_.Bind(mojom::URLLoaderFactoryPtrInfo(
+        mojo::ScopedMessagePipeHandle(commit_data.url_loader_factory), 0u));
+  }
+
   // If the request was initiated in the context of a user gesture then make
   // sure that the navigation also executes in the context of a user gesture.
   std::unique_ptr<blink::WebScopedUserGesture> gesture(
       request_params.has_user_gesture ? new blink::WebScopedUserGesture(frame_)
                                       : nullptr);
 
   browser_side_navigation_pending_ = false;
 
   NavigateInternal(common_params, StartNavigationParams(), request_params,
                    std::move(stream_override));
@@ skipping 1774 matching lines @@
       policy(info.default_policy),
       replaces_current_history_item(info.replaces_current_history_item),
       history_navigation_in_new_child_frame(
           info.is_history_navigation_in_new_child_frame),
       client_redirect(info.is_client_redirect),
       cache_disabled(info.is_cache_disabled),
       form(info.form),
       source_location(info.source_location) {}
 
 }  // namespace content