Use a separate NSView to draw browser composited content

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 "content/browser/compositor/browser_compositor_view_mac.h"
 #include "ui/compositor/compositor.h"
 
-// Declare methods used to present swaps to this view.
-@interface NSView (SoftwareDelegatedFrame)
-- (void)gotSoftwareFrame:(cc::SoftwareFrameData*)frame_data
-         withScaleFactor:(float)scale_factor
-              withCanvas:(SkCanvas*)canvas;
-@end
-
-@implementation NSView (SoftwareDelegatedFrame)
-- (void)gotSoftwareFrame:(cc::SoftwareFrameData*)frame_data
-         withScaleFactor:(float)scale_factor
-              withCanvas:(SkCanvas*)canvas {
-}
-@end
-
 namespace content {
 
 SoftwareOutputDeviceMac::SoftwareOutputDeviceMac(ui::Compositor* compositor)
     : compositor_(compositor) {
 }
 
 SoftwareOutputDeviceMac::~SoftwareOutputDeviceMac() {
 }
 
 void SoftwareOutputDeviceMac::EndPaint(cc::SoftwareFrameData* frame_data) {
   SoftwareOutputDevice::EndPaint(frame_data);
 
   NSView* view = compositor_->widget();
   [view gotSoftwareFrame:frame_data
          withScaleFactor:scale_factor_
               withCanvas:canvas_.get()];
 }
 
 }  // namespace content