Stop painting when receiving delegated frame

ui/wm/core/image_grid.cc

 // Copyright (c) 2012 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 "ui/wm/core/image_grid.h"
 
 #include <algorithm>
 
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkXfermode.h"
@@ skipping 254 matching lines @@
     layer->SchedulePaint(layer->bounds());
   }
 }
 
 void ImageGrid::ImagePainter::OnPaintLayer(gfx::Canvas* canvas) {
   if (!clip_rect_.IsEmpty())
     canvas->ClipRect(clip_rect_);
   canvas->DrawImageInt(image_, 0, 0);
 }
 
+void ImageGrid::ImagePainter::OnDelegatedFrameDamage(
+    const gfx::Rect& damage_rect_in_dip) {
+}
+
 void ImageGrid::ImagePainter::OnDeviceScaleFactorChanged(
     float device_scale_factor) {
   // Redrawing will take care of scale factor change.
 }
 
 base::Closure ImageGrid::ImagePainter::PrepareForLayerBoundsChange() {
   return base::Closure();
 }
 
 void ImageGrid::SetImage(const gfx::Image* image,
@@ skipping 44 matching lines @@
   layer_ptr->get()->SetBounds(gfx::Rect(0, 0, size.width(), size.height()));
 
   painter_ptr->reset(new ImagePainter(image_skia));
   layer_ptr->get()->set_delegate(painter_ptr->get());
   layer_ptr->get()->SetFillsBoundsOpaquely(false);
   layer_ptr->get()->SetVisible(true);
   layer_->Add(layer_ptr->get());
 }
 
 }  // namespace wm