[Ozone] Fix build

content/browser/compositor/software_output_device_ozone.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/compositor/software_output_device_ozone.h"
 #include "third_party/skia/include/core/SkDevice.h"
 #include "ui/compositor/compositor.h"
 #include "ui/gfx/skia_util.h"
 #include "ui/gfx/vsync_provider.h"
 #include "ui/ozone/public/surface_factory_ozone.h"
@@ skipping 25 matching lines @@
 
   viewport_pixel_size_ = viewport_pixel_size;
 
   surface_ozone_->ResizeCanvas(viewport_pixel_size_);
 }
 
 SkCanvas* SoftwareOutputDeviceOzone::BeginPaint(const gfx::Rect& damage_rect) {
   DCHECK(gfx::Rect(viewport_pixel_size_).Contains(damage_rect));
 
   // Get canvas for next frame.
-  canvas_ = surface_ozone_->GetCanvas();
+  surface_ = surface_ozone_->GetSurface();
 
   return SoftwareOutputDevice::BeginPaint(damage_rect);
 }
 
 void SoftwareOutputDeviceOzone::EndPaint(cc::SoftwareFrameData* frame_data) {
   SoftwareOutputDevice::EndPaint(frame_data);
 
   surface_ozone_->PresentCanvas(damage_rect_);
 }
 
 }  // namespace content