Pass Surface ID namespace to renderer compositors.

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 fd85fcc8745cdf59c93e87322518bda129aff961..ae0c59286870e32e426e310f03114ac2dc512a1a 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -2762,6 +2762,16 @@ void RenderWidgetHostViewAura::OnDidNavigateMainFrameToNewPage() {
   ui::GestureRecognizer::Get()->CancelActiveTouches(window_);
 }
 
+void RenderWidgetHostViewAura::DelegatedFrameHostUpdateSurfaceIdNamespace(
+    uint32_t surface_id_namespace) {
+  host_->Send(new ViewMsg_UpdateSurfaceIdNamespace(host_->GetRoutingID(),
+                                                   surface_id_namespace));
+}
+
+uint32_t RenderWidgetHostViewAura::GetSurfaceIdNamespace() {
+  return delegated_frame_host_->GetSurfaceIdNamespace();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewBase, public: