Remove ViewHostMsg_UpdateIsDelayed

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 f01a2e75e141b978c5d83a2f8d135a895ba2ba98..d2b4aea12c1ce841e450851bae6de18038fd301f 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -183,7 +183,6 @@ RenderWidgetHostImpl::RenderWidgetHostImpl(RenderWidgetHostDelegate* delegate,
       is_unresponsive_(false),
       in_flight_event_count_(0),
       in_get_backing_store_(false),
-      abort_get_backing_store_(false),
       view_being_painted_(false),
       ignore_input_events_(false),
       input_method_active_(false),
@@ -467,7 +466,6 @@ bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
                                 msg_is_ok = OnSwapCompositorFrame(msg))
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidStopFlinging, OnFlingingStopped)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateRect, OnUpdateRect)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateIsDelayed, OnUpdateIsDelayed)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Focus, OnFocus)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Blur, OnBlur)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor)
@@ -828,10 +826,8 @@ void RenderWidgetHostImpl::WaitForSurface() {
 
       // Break now if we got a backing store or accelerated surface of the
       // correct size.
-      if (view_->HasAcceleratedSurface(view_size) || abort_get_backing_store_) {
-        abort_get_backing_store_ = false;
+      if (view_->HasAcceleratedSurface(view_size))
         return;
-      }
     } else {
       TRACE_EVENT0("renderer_host", "WaitForSurface::Timeout");
       break;
@@ -1574,11 +1570,6 @@ void RenderWidgetHostImpl::OnUpdateRect(
   UMA_HISTOGRAM_TIMES("MPArch.RWH_OnMsgUpdateRect", delta);
 }
 
-void RenderWidgetHostImpl::OnUpdateIsDelayed() {
-  if (in_get_backing_store_)
-    abort_get_backing_store_ = true;
-}
-
 void RenderWidgetHostImpl::DidUpdateBackingStore(
     const ViewHostMsg_UpdateRect_Params& params,
     const TimeTicks& paint_start) {