Getting rid of DelegatedFrameData

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 39bb0898fc0ff63e29e61ca4613adb95af20edf5..5c2d9f8c52796d57b5669502929f8a75a9529216 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -907,7 +907,8 @@ void RenderWidgetHostViewAura::OnSwapCompositorFrame(
   TRACE_EVENT0("content", "RenderWidgetHostViewAura::OnSwapCompositorFrame");
 
   last_scroll_offset_ = frame.metadata.root_scroll_offset;
-  if (!frame.delegated_frame_data)
+
+  if (frame.IsEmpty())

[piman, 2016/10/25 22:57:31]

I don't think this test is necessary, or required. In theory the renderer could
send an empty frame while updating metadata (e.g. selection bounds).

[Saman Sami, 2016/10/28 16:47:35]

Done.

     return;
 
   cc::Selection<gfx::SelectionBound> selection = frame.metadata.selection;