Define frame subscription interface and implementation on Mac

content/browser/renderer_host/render_widget_host_view_base.cc

Index: content/browser/renderer_host/render_widget_host_view_base.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_base.cc b/content/browser/renderer_host/render_widget_host_view_base.cc
index a2cb5a43a93fdd7d5d0695e2b93ca37fde06f552..f1d6bd37b8f52eb017869f7c706f5760e98f3111 100644
--- a/content/browser/renderer_host/render_widget_host_view_base.cc
+++ b/content/browser/renderer_host/render_widget_host_view_base.cc
@@ -449,4 +449,18 @@ void RenderWidgetHostViewBase::ProcessAckedTouchEvent(
     const WebKit::WebTouchEvent& touch, InputEventAckState ack_result) {
 }
 
+bool RenderWidgetHostViewBase::CanSubscribeFrame() const {
+  NOTIMPLEMENTED();
+  return true;

[piman, 2013/03/02 03:26:08]

Should this be false?

[Alpha Left Google, 2013/03/02 05:21:24]

Right this should be false.

+}
+
+void RenderWidgetHostViewBase::BeginFrameSubscription(
+    RenderWidgetHostViewFrameSubscriber* subscriber) {
+  NOTIMPLEMENTED();
+}
+
+void RenderWidgetHostViewBase::EndFrameSubscription() {
+  NOTIMPLEMENTED();
+}
+
 }  // namespace content