[Ozone] Extends the lifetime of VaapiWrapper

content/common/gpu/media/vaapi_video_encode_accelerator.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_ENCODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_ENCODE_ACCELERATOR_H_
 
 #include <list>
 #include <queue>
 
@@ skipping 132 matching lines @@
   void TryToReturnBitstreamBuffer();
 
   // Puts the encoder into en error state and notifies client about the error.
   void NotifyError(Error error);
 
   // Sets the encoder state on the correct thread.
   void SetState(State state);
 
   // VaapiWrapper is the owner of all HW resources (surfaces and buffers)
   // and will free them on destruction.
-  scoped_ptr<VaapiWrapper> vaapi_wrapper_;
+  scoped_refptr<VaapiWrapper> vaapi_wrapper_;
 
   // Input profile and sizes.
   media::VideoCodecProfile profile_;
   gfx::Size visible_size_;
   gfx::Size coded_size_;  // Macroblock-aligned.
   // Width/height in macroblocks.
   unsigned int mb_width_;
   unsigned int mb_height_;
 
   // Maximum size of the reference list 0.
@@ skipping 87 matching lines @@
   // thread (it's a member of this class).
   base::WeakPtr<VaapiVideoEncodeAccelerator> weak_this_;
   base::WeakPtrFactory<VaapiVideoEncodeAccelerator> weak_this_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VaapiVideoEncodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_ENCODE_ACCELERATOR_H_