Integrate Surface requests with MediaPlayerRenderer

media/base/android/stream_texture_wrapper.h

 // Copyright 2016 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 MEDIA_BASE_ANDROID_STREAM_TEXTURE_WRAPPER_H_
 #define MEDIA_BASE_ANDROID_STREAM_TEXTURE_WRAPPER_H_
 
 #include "base/single_thread_task_runner.h"
+#include "base/unguessable_token.h"
 #include "media/base/video_frame.h"
 
 namespace media {
-class VideoFrame;
 
 // StreamTextureWrapper encapsulates a StreamTexture's creation, initialization
 // and registration for later retrieval (in the Browser process).
-//
-// TODO(tguilbert): Support registering the underlying SurfaceTexture so it can
-// be used by a MediaPlayer in the browser process. See crbug.com/627658.
 class MEDIA_EXPORT StreamTextureWrapper {
  public:
   StreamTextureWrapper() {}
 
   // Initialize the underlying StreamTexture.
   // See StreamTextureWrapperImpl.
   virtual void Initialize(
       const base::Closure& received_frame_cb,
       const gfx::Size& natural_size,
       scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner,
       const base::Closure& init_cb) = 0;
 
   // Called whenever the video's natural size changes.
   // See StreamTextureWrapperImpl.
   virtual void UpdateTextureSize(const gfx::Size& natural_size) = 0;
 
   // Returns the latest frame.
   // See StreamTextureWrapperImpl.
   virtual scoped_refptr<VideoFrame> GetCurrentFrame() = 0;
 
+  // Sends the StreamTexture to the browser process, to fulfill the request
+  // identified by |request_token|.
+  // See StreamTextureWrapperImpl.
+  virtual void ForwardStreamTextureForSurfaceRequest(
+      const base::UnguessableToken& request_token) = 0;
+
   struct Deleter {
     inline void operator()(StreamTextureWrapper* ptr) const { ptr->Destroy(); }
   };
 
  protected:
   virtual ~StreamTextureWrapper() {}
 
   // Safely destroys the StreamTextureWrapper.
   // See StreamTextureWrapperImpl.
   virtual void Destroy() = 0;
 };
 
 typedef std::unique_ptr<StreamTextureWrapper, StreamTextureWrapper::Deleter>
     ScopedStreamTextureWrapper;
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_STREAM_TEXTURE_WRAPPER_H_