VideoCapture: more migration IPC-->mojo, part 6

services/video_capture/mojo_shared_memory_buffer_tracker.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 SERVICES_VIDEO_CAPTURE_MOJO_SHARED_MEMORY_BUFFER_TRACKER_H_
 #define SERVICES_VIDEO_CAPTURE_MOJO_SHARED_MEMORY_BUFFER_TRACKER_H_
 
 #include "media/capture/video/video_capture_buffer_tracker.h"
 #include "media/mojo/common/mojo_shared_buffer_video_frame.h"
 
 namespace video_capture {
 
 // Tracker specifics for MojoSharedMemory.
 class MojoSharedMemoryBufferTracker final
     : public media::VideoCaptureBufferTracker {
  public:
   MojoSharedMemoryBufferTracker();
   ~MojoSharedMemoryBufferTracker() override;
 
   // Implementation of media::VideoCaptureBufferTracker
   bool Init(const gfx::Size& dimensions,
             media::VideoPixelFormat format,
             media::VideoPixelStorage storage_type,
             base::Lock* lock) override;
   std::unique_ptr<media::VideoCaptureBufferHandle> GetBufferHandle() override;
-  bool ShareToProcess(base::ProcessHandle process_handle,
-                      base::SharedMemoryHandle* new_handle) override;
+  mojo::ScopedSharedBufferHandle GetHandleForTransit() override;
 
  private:
   friend class MojoSharedMemoryBufferHandle;
 
   scoped_refptr<media::MojoSharedBufferVideoFrame> frame_;
   size_t mapped_size_;
 };
 
 }  // namespace video_capture
 
 #endif  // SERVICES_VIDEO_CAPTURE_MOJO_SHARED_MEMORY_BUFFER_TRACKER_H_