Discard compositor frames from unloaded web content

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index ff676db56414b28a6a8986670d5def976e6e88b8..419beed88c1937019e7c92813296f66cb8269458 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -1305,7 +1305,7 @@ void RenderFrameHostImpl::OnDidCommitProvisionalLoad(const IPC::Message& msg) {
   if (frame_tree_node_->IsMainFrame() && GetView() &&
       !validated_params.was_within_same_page) {
     RenderWidgetHostImpl::From(GetView()->GetRenderWidgetHost())
-        ->StartNewContentRenderingTimeout();
+        ->StartNewContentRenderingTimeout(validated_params.content_source_id);
   }
 }