VaapiVideoAccelerator: make Vaapi accelerator work with ozone

ui/ozone/platform/dri/gbm_surface_factory.cc

 // 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.
 
 #include "ui/ozone/platform/dri/gbm_surface_factory.h"
 
 #include <gbm.h>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 71 matching lines @@
   drm_ = dri;
   device_ = device;
   screen_manager_ = screen_manager;
   window_manager_ = window_manager;
 }
 
 intptr_t GbmSurfaceFactory::GetNativeDisplay() {
   return reinterpret_cast<intptr_t>(device_);
 }
 
+int GbmSurfaceFactory::GetDrmFd() {
+  DCHECK(device_);
+  return gbm_device_get_fd(device_);
+}
+
 const int32* GbmSurfaceFactory::GetEGLSurfaceProperties(
     const int32* desired_list) {
   static const int32 kConfigAttribs[] = {
     EGL_BUFFER_SIZE, 32,
     EGL_ALPHA_SIZE, 8,
     EGL_BLUE_SIZE, 8,
     EGL_GREEN_SIZE, 8,
     EGL_RED_SIZE, 8,
     EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
     EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
@@ skipping 104 matching lines @@
     scoped_ptr<DriWindowDelegate> delegate(new DriWindowDelegateImpl(
         widget, drm_, window_manager_, screen_manager_));
     delegate->Initialize();
     window_manager_->AddWindowDelegate(widget, delegate.Pass());
   }
 
   return window_manager_->GetWindowDelegate(widget);
 }
 
 }  // namespace ui