cc: Partial draw without partial swap support.

services/ui/surfaces/display_output_surface.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 "services/ui/surfaces/display_output_surface.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
@@ skipping 100 matching lines @@
 bool DisplayOutputSurface::SurfaceIsSuspendForRecycle() const {
   return false;
 }
 
 bool DisplayOutputSurface::HasExternalStencilTest() const {
   return false;
 }
 
 void DisplayOutputSurface::ApplyExternalStencil() {}
 
+bool DisplayOutputSurface::CanPartialDraw(const gfx::Rect& damage) {
+  return false;
+}
+
 void DisplayOutputSurface::DidReceiveSwapBuffersAck(gfx::SwapResult result) {
   client_->DidReceiveSwapBuffersAck();
 }
 
 void DisplayOutputSurface::OnGpuSwapBuffersCompleted(
     const std::vector<ui::LatencyInfo>& latency_info,
     gfx::SwapResult result,
     const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) {
   DidReceiveSwapBuffersAck(result);
 }
 
 void DisplayOutputSurface::OnVSyncParametersUpdated(base::TimeTicks timebase,
                                                     base::TimeDelta interval) {
   // TODO(brianderson): We should not be receiving 0 intervals.
   synthetic_begin_frame_source_->OnUpdateVSyncParameters(
       timebase,
       interval.is_zero() ? cc::BeginFrameArgs::DefaultInterval() : interval);
 }
 
 }  // namespace ui