Index: content/browser/renderer_host/render_widget_host_view_base.h |
diff --git a/content/browser/renderer_host/render_widget_host_view_base.h b/content/browser/renderer_host/render_widget_host_view_base.h |
index 657ad2027f14a0c5c9deec9f61056a39592cddd5..2726d261aa3d50c3e2b8ceca67635dbe376a90e0 100644 |
--- a/content/browser/renderer_host/render_widget_host_view_base.h |
+++ b/content/browser/renderer_host/render_widget_host_view_base.h |
@@ -43,6 +43,10 @@ class SkBitmap; |
struct ViewHostMsg_SelectionBounds_Params; |
+namespace cc { |
+struct BeginFrameAck; |
+} // namespace cc |
+ |
namespace media { |
class VideoFrame; |
} |
@@ -218,6 +222,8 @@ class CONTENT_EXPORT RenderWidgetHostViewBase : public RenderWidgetHostView, |
virtual void OnSwapCompositorFrame(uint32_t compositor_frame_sink_id, |
cc::CompositorFrame frame) {} |
+ virtual void OnBeginFrameDidNotDraw(const cc::BeginFrameAck& ack) {} |
+ |
// This method exists to allow removing of displayed graphics, after a new |
// page has been loaded, to prevent the displayed URL from being out of sync |
// with what is visible on screen. |