Drop frontbuffers with ui-use-gpu-process, synchronized with browser, decoupled from backbuffer dro…

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 6a449ce880a8d581b2e8849a8de15be4b947709f..0c0c5158a557ca413149237a0736fd85f0675db8 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -1828,6 +1828,20 @@ void RenderWidgetHostImpl::AcknowledgePostSubBuffer(int32 route_id,
     ui_shim->Send(new AcceleratedSurfaceMsg_PostSubBufferACK(route_id));
 }
 
+#if defined(USE_AURA)
+// static
+void RenderWidgetHostImpl::SendFrontSurfaceIsProtected(
+    bool is_protected,
+    uint32 protection_state_id,
+    int32 route_id,
+    int gpu_host_id) {
+  GpuProcessHostUIShim* ui_shim = GpuProcessHostUIShim::FromID(gpu_host_id);
+  if (ui_shim)

[piman, 2012/06/12 23:05:12]

nit: braces around body

+    ui_shim->Send(new AcceleratedSurfaceMsg_SetFrontSurfaceIsProtected(
+        route_id, is_protected, protection_state_id));
+}
+#endif
+
 void RenderWidgetHostImpl::DelayedAutoResized() {
   gfx::Size new_size = new_auto_size_;
   // Clear the new_auto_size_ since the empty value is used as a flag to