SkCanvas::NewRaster is deprecated, create a surface instead

content/browser/compositor/software_output_device_mac.mm

 // 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "content/browser/compositor/software_output_device_mac.h"
 
 #include "ui/accelerated_widget_mac/accelerated_widget_mac.h"
 #include "ui/compositor/compositor.h"
 
 namespace content {
 
 SoftwareOutputDeviceMac::SoftwareOutputDeviceMac(ui::Compositor* compositor)
     : compositor_(compositor) {
 }
 
 SoftwareOutputDeviceMac::~SoftwareOutputDeviceMac() {
 }
 
 void SoftwareOutputDeviceMac::EndPaint(cc::SoftwareFrameData* frame_data) {
   SoftwareOutputDevice::EndPaint(frame_data);
   ui::AcceleratedWidgetMacGotSoftwareFrame(
-      compositor_->widget(), scale_factor_, canvas_.get());
+      compositor_->widget(), scale_factor_, surface_->getCanvas());
 }
 
 }  // namespace content