Trace LayoutObject src attributes and parent frames

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 900c92c15303f1b8ba37135b671c31bb83d23ea2..c5068b6357f5246f96249fb4650a14f2f0f69a72 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -902,10 +902,10 @@ RenderFrameImpl* RenderFrameImpl::CreateMainFrame(
 
   RenderFrameImpl* render_frame =
       RenderFrameImpl::Create(render_view, routing_id);
-  render_frame->InitializeBlameContext(nullptr);
   WebLocalFrame* web_frame = WebLocalFrame::create(
       blink::WebTreeScopeType::Document, render_frame, opener);
   render_frame->BindToWebFrame(web_frame);
+  render_frame->InitializeBlameContext(nullptr);
   render_view->webview()->setMainFrame(web_frame);
   render_frame->render_widget_ = RenderWidget::CreateForFrame(
       widget_routing_id, hidden, screen_info, compositor_deps, web_frame);
@@ -932,6 +932,7 @@ void RenderFrameImpl::CreateFrame(
     const blink::WebFrameOwnerProperties& frame_owner_properties) {
   blink::WebLocalFrame* web_frame;
   RenderFrameImpl* render_frame;
+  RenderFrameImpl* parent_frame = nullptr;
   if (proxy_routing_id == MSG_ROUTING_NONE) {
     RenderFrameProxy* parent_proxy =
         RenderFrameProxy::FromRoutingID(parent_routing_id);
@@ -949,7 +950,7 @@ void RenderFrameImpl::CreateFrame(
     // Create the RenderFrame and WebLocalFrame, linking the two.
     render_frame =
         RenderFrameImpl::Create(parent_proxy->render_view(), routing_id);
-    render_frame->InitializeBlameContext(FromRoutingID(parent_routing_id));
+    parent_frame = FromRoutingID(parent_routing_id);
     web_frame = parent_web_frame->createLocalChild(
         replicated_state.scope, WebString::fromUTF8(replicated_state.name),
         WebString::fromUTF8(replicated_state.unique_name),
@@ -971,13 +972,13 @@ void RenderFrameImpl::CreateFrame(
       return;
 
     render_frame = RenderFrameImpl::Create(proxy->render_view(), routing_id);
-    render_frame->InitializeBlameContext(nullptr);
     render_frame->proxy_routing_id_ = proxy_routing_id;
     web_frame = blink::WebLocalFrame::createProvisional(
         render_frame, proxy->web_frame(), replicated_state.sandbox_flags,
         frame_owner_properties);
   }
   render_frame->BindToWebFrame(web_frame);
+  render_frame->InitializeBlameContext(parent_frame);
   CHECK(parent_routing_id != MSG_ROUTING_NONE || !web_frame->parent());
 
   if (widget_params.routing_id != MSG_ROUTING_NONE) {
@@ -2731,10 +2732,10 @@ blink::WebFrame* RenderFrameImpl::createChildFrame(
   // Create the RenderFrame and WebLocalFrame, linking the two.
   RenderFrameImpl* child_render_frame = RenderFrameImpl::Create(
       render_view_.get(), child_routing_id);
-  child_render_frame->InitializeBlameContext(this);
   blink::WebLocalFrame* web_frame =
       WebLocalFrame::create(scope, child_render_frame);
   child_render_frame->BindToWebFrame(web_frame);
+  child_render_frame->InitializeBlameContext(this);
 
   // Add the frame to the frame tree and initialize it.
   parent->appendChild(web_frame);