[cc] Pass on BeginFrameAcks from CompositorEBFS through RWHVAura, DFH.

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 e0540017123d77acb24a7e675abe5d4137b8b1be..73b2f53a664fee462f113484f00994365e6c9de6 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -552,6 +552,8 @@ bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetTooltipText, OnSetTooltipText)
     IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_SwapCompositorFrame,
                                 OnSwapCompositorFrame(msg))
+    IPC_MESSAGE_HANDLER(ViewHostMsg_BeginFrameDidNotSwap,
+                        OnBeginFrameDidNotSwap)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateRect, OnUpdateRect)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged,
@@ -1858,6 +1860,12 @@ bool RenderWidgetHostImpl::OnSwapCompositorFrame(
   return true;
 }
 
+void RenderWidgetHostImpl::OnBeginFrameDidNotSwap(
+    const cc::BeginFrameAck& ack) {
+  if (view_)
+    view_->OnBeginFrameDidNotSwap(ack);
+}
+
 void RenderWidgetHostImpl::OnUpdateRect(
     const ViewHostMsg_UpdateRect_Params& params) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::OnUpdateRect");