Stop painting when receiving delegated frame

chrome/browser/chromeos/display/overscan_calibrator.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 "chrome/browser/chromeos/display/overscan_calibrator.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/display/display_info.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
@@ skipping 115 matching lines @@
   gfx::Point center = inner_bounds.CenterPoint();
   int vertical_offset = inner_bounds.height() / 2 - kArrowGapWidth;
   int horizontal_offset = inner_bounds.width() / 2 - kArrowGapWidth;
 
   DrawTriangle(center.x(), center.y() + vertical_offset, 0, canvas);
   DrawTriangle(center.x(), center.y() - vertical_offset, 180, canvas);
   DrawTriangle(center.x() - horizontal_offset, center.y(), 90, canvas);
   DrawTriangle(center.x() + horizontal_offset, center.y(), -90, canvas);
 }
 
+void OverscanCalibrator::OnDelegatedFrameDamage(
+    const gfx::Rect& damage_rect_in_dip) {
+}
+
 void OverscanCalibrator::OnDeviceScaleFactorChanged(
     float device_scale_factor) {
   // TODO(mukai): Cancel the overscan calibration when the device
   // configuration has changed.
 }
 
 base::Closure OverscanCalibrator::PrepareForLayerBoundsChange() {
   return base::Closure();
 }
 
 }  // namespace chromeos