Index: content/port/browser/render_widget_host_view_port.h |
diff --git a/content/port/browser/render_widget_host_view_port.h b/content/port/browser/render_widget_host_view_port.h |
index 9b1f7fc10b00f8ba30d4762eafbbcf00626f2292..3028a70675cced8bb56cfbaf68832ac41cd79e3d 100644 |
--- a/content/port/browser/render_widget_host_view_port.h |
+++ b/content/port/browser/render_widget_host_view_port.h |
@@ -295,6 +295,13 @@ class CONTENT_EXPORT RenderWidgetHostViewPort : public RenderWidgetHostView, |
virtual void OnAccessibilityNotifications( |
const std::vector<AccessibilityHostMsg_NotificationParams>& params) = 0; |
+ // Return a value that is incremented each time the renderer swaps a new frame |
+ // to the view. |
+ virtual uint32 RendererFrameNumber() = 0; |
+ // Called each time the RenderWidgetHost receives a new frame for display from |
+ // the renderer. |
+ virtual void DidReceiveRendererFrame() = 0; |
+ |
#if defined(OS_MACOSX) |
// Called just before GetBackingStore blocks for an updated frame. |
virtual void AboutToWaitForBackingStoreMsg() = 0; |