Plumb opener information when creating RenderFrames and RenderFrameProxies for subframes.

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 "base/auto_reset.h"
@@ skipping 564 matching lines @@
   WebLocalFrame* web_frame =
       WebLocalFrame::create(blink::WebTreeScopeType::Document, render_frame);
   render_frame->SetWebFrame(web_frame);
   render_view->webview()->setMainFrame(web_frame);
   return render_frame;
 }
 
 // static
 void RenderFrameImpl::CreateFrame(
     int routing_id,
+    int proxy_routing_id,
+    int opener_routing_id,
     int parent_routing_id,
     int previous_sibling_routing_id,
-    int proxy_routing_id,
     const FrameReplicationState& replicated_state,
     CompositorDependencies* compositor_deps,
     const FrameMsg_NewFrame_WidgetParams& widget_params) {
   blink::WebLocalFrame* web_frame;
   RenderFrameImpl* render_frame;
   if (proxy_routing_id == MSG_ROUTING_NONE) {
     RenderFrameProxy* parent_proxy =
         RenderFrameProxy::FromRoutingID(parent_routing_id);
     // If the browser is sending a valid parent routing id, it should already
     // be created and registered.
@@ skipping 21 matching lines @@
     web_frame =
         blink::WebLocalFrame::create(replicated_state.scope, render_frame);
     render_frame->proxy_routing_id_ = proxy_routing_id;
     web_frame->initializeToReplaceRemoteFrame(
         proxy->web_frame(), WebString::fromUTF8(replicated_state.name),
         replicated_state.sandbox_flags);
   }
   render_frame->SetWebFrame(web_frame);
   CHECK_IMPLIES(parent_routing_id == MSG_ROUTING_NONE, !web_frame->parent());
 
+  WebFrame* opener = ResolveOpener(opener_routing_id, nullptr);
+  web_frame->setOpener(opener);
+
   if (widget_params.routing_id != MSG_ROUTING_NONE) {
     CHECK(SiteIsolationPolicy::AreCrossProcessFramesPossible());
     render_frame->render_widget_ = RenderWidget::CreateForFrame(
         widget_params.routing_id, widget_params.surface_id,
         widget_params.hidden, render_frame->render_view_->screen_info(),
         compositor_deps, web_frame);
     // TODO(kenrb): Observing shouldn't be necessary when we sort out
     // WasShown and WasHidden, separating page-level visibility from
     // frame-level visibility.
     render_frame->render_widget_->RegisterRenderFrame(render_frame);
@@ skipping 4449 matching lines @@
   mojo::ServiceProviderPtr service_provider;
   mojo::URLRequestPtr request(mojo::URLRequest::New());
   request->url = mojo::String::From(url);
   mojo_shell_->ConnectToApplication(request.Pass(), GetProxy(&service_provider),
                                     nullptr, nullptr,
                                     base::Bind(&OnGotContentHandlerID));
   return service_provider.Pass();
 }
 
 }  // namespace content