Implement DRM Native Pixmap using prime buffer

ui/ozone/public/client_native_pixmap_factory.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 UI_OZONE_PUBLIC_CLIENT_NATIVE_PIXMAP_FACTORY_H_
 #define UI_OZONE_PUBLIC_CLIENT_NATIVE_PIXMAP_FACTORY_H_
 
 #include <vector>
 
 #include "base/files/scoped_file.h"
@@ skipping 14 matching lines @@
 // provide a client pixmap for non-GPU processes.
 class OZONE_EXPORT ClientNativePixmapFactory {
  public:
   static ClientNativePixmapFactory* GetInstance();
   static void SetInstance(ClientNativePixmapFactory* instance);
 
   static scoped_ptr<ClientNativePixmapFactory> Create();
 
   virtual ~ClientNativePixmapFactory();
 
-  // Initialize with the given client native pixmap |device_fd|.
-  virtual void Initialize(base::ScopedFD device_fd) = 0;
-
   // Returns true if format/usage configuration is supported.
   virtual bool IsConfigurationSupported(gfx::BufferFormat format,
                                         gfx::BufferUsage usage) const = 0;
 
   // TODO(dshwang): implement it. crbug.com/475633
   // Import the native pixmap from |handle| to be used in non-GPU processes.
   // This function takes ownership of any file descriptors in |handle|.
   virtual scoped_ptr<ClientNativePixmap> ImportFromHandle(
       const gfx::NativePixmapHandle& handle,
       const gfx::Size& size,
       gfx::BufferUsage usage) = 0;
 
  protected:
   ClientNativePixmapFactory();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ClientNativePixmapFactory);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PUBLIC_CLIENT_NATIVE_PIXMAP_FACTORY_H_