Stop painting when receiving delegated frame

chrome/browser/chromeos/ui/focus_ring_layer.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/ui/focus_ring_layer.h"
 
 #include "ash/system/tray/actionable_view.h"
 #include "ash/system/tray/tray_background_view.h"
 #include "ash/system/tray/tray_popup_header_button.h"
 #include "base/bind.h"
@@ skipping 106 matching lines @@
   int r = kShadowRadius;
   for (int i = 0; i < r; i++) {
     // Fade out alpha quadratically.
     paint.setAlpha((kShadowAlpha * (r - i) * (r - i)) / (r * r));
     gfx::Rect outsetRect = bounds;
     outsetRect.Inset(-i, -i, -i, -i);
     canvas->DrawRect(outsetRect, paint);
   }
 }
 
+void FocusRingLayer::OnDelegatedFrameDamage(
+    const gfx::Rect& damage_rect_in_dip) {
+}
+
 void FocusRingLayer::OnDeviceScaleFactorChanged(float device_scale_factor) {
   Update();
 }
 
 base::Closure FocusRingLayer::PrepareForLayerBoundsChange() {
   return base::Bind(&base::DoNothing);
 }
 
 }  // namespace chromeos