Stop painting when receiving delegated frame

content/browser/web_contents/aura/gesture_nav_simple.cc

 // Copyright 2014 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 "content/browser/web_contents/aura/gesture_nav_simple.h"
 
 #include "cc/layers/layer.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/renderer_host/overscroll_controller.h"
 #include "content/browser/web_contents/web_contents_impl.h"
@@ skipping 81 matching lines @@
 
     canvas->DrawCircle(
         gfx::Point(left_arrow_ ? 0 : kArrowWidth, kArrowHeight / 2),
         kArrowWidth,
         paint);
     canvas->DrawImageInt(*image_.ToImageSkia(),
                          left_arrow_ ? 0 : kArrowWidth - image_.Width(),
                          (kArrowHeight - image_.Height()) / 2);
   }
 
+  virtual void OnDelegatedFrameDamage(
+      const gfx::Rect& damage_rect_in_dip) OVERRIDE {}
+
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE {}
 
   virtual base::Closure PrepareForLayerBoundsChange() OVERRIDE {
     return base::Closure();
   }
 
   const gfx::Image& image_;
   const bool left_arrow_;
 
   DISALLOW_COPY_AND_ASSIGN(ArrowLayerDelegate);
@@ skipping 112 matching lines @@
   clip_layer_->SetBounds(window->layer()->bounds());
   clip_layer_->SetMasksToBounds(true);
   clip_layer_->Add(arrow_.get());
 
   ui::Layer* parent = window->layer()->parent();
   parent->Add(clip_layer_.get());
   parent->StackAtTop(clip_layer_.get());
 }
 
 }  // namespace content