Aura: fix full-screen Flash with delegated renderer

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index 0f72120e899a96e6d186eba36e63c768a5f5676c..a300d981a4473772c4cd0adfa9227b706b931872 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -588,6 +588,11 @@ class RenderWidgetHostViewAura
   // This holds the current software framebuffer.
   scoped_refptr<MemoryHolder> framebuffer_holder_;
 
+  // With delegated renderer, this is the last output surface, used to
+  // disambiguate resources with the same id coming from different output
+  // surfaces.
+  uint32 last_output_surface_id_;
+
   // The damage in the previously presented buffer.
   SkRegion previous_damage_;