ozone: Implement support for CreateGpuMemoryBufferFromHandle for OzoneNativePixmap backed GMBs.

ui/ozone/public/surface_factory_ozone.cc

 // Copyright (c) 2013 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 "ui/ozone/public/surface_factory_ozone.h"
 
 #include <stdlib.h>
 
 #include "base/command_line.h"
 #include "ui/ozone/public/native_pixmap.h"
@@ skipping 31 matching lines @@
 const int32* SurfaceFactoryOzone::GetEGLSurfaceProperties(
     const int32* desired_attributes) {
   return desired_attributes;
 }
 
 scoped_refptr<ui::NativePixmap> SurfaceFactoryOzone::CreateNativePixmap(
     gfx::AcceleratedWidget widget,
     gfx::Size size,
     gfx::BufferFormat format,
     gfx::BufferUsage usage) {
-  return NULL;
+  return nullptr;
+}
+
+scoped_refptr<ui::NativePixmap>
+SurfaceFactoryOzone::CreateNativePixmapFromHandle(
+    const gfx::NativePixmapHandle& handle) {
+  return nullptr;
 }
 
 }  // namespace ui