ozone: Implement zero/one-copy texture for Ozone GBM.

content/child/child_native_pixmap_manager_ozone.h

 // Copyright 2015 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.
 
 #ifndef CONTENT_CHILD_CHILD_NATIVE_PIXMAP_MANAGER_OZONE_H_
 #define CONTENT_CHILD_CHILD_NATIVE_PIXMAP_MANAGER_OZONE_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/child/thread_safe_sender.h"
 #include "ui/ozone/public/native_pixmap_manager.h"
 
 namespace content {
 
 class ChildNativePixmapManager : public ui::NativePixmapManager {
  public:
   static scoped_ptr<ChildNativePixmapManager> Create(ThreadSafeSender* sender);
 
   ~ChildNativePixmapManager() override;
 
   // ui::NativePixmapManager:
   void Initialize(const base::FileDescriptor& device_fd) override;
   std::vector<Configuration> GetSupportedNativePixmapConfigurations()
       const override;
+  scoped_refptr<ui::NativePixmap> CreateFromFileDescriptor(
+      base::FileDescriptor handle,
+      gfx::Size size,
+      ui::SurfaceFactoryOzone::BufferFormat format,
+      ui::SurfaceFactoryOzone::BufferUsage usage) override;
 
  private:
   ChildNativePixmapManager();
 
   scoped_ptr<ui::NativePixmapManager> pixmap_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildNativePixmapManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_CHILD_NATIVE_PIXMAP_MANAGER_OZONE_H_