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

content/browser/renderer_host/media/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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_SHARED_MEMORY_BUFFER_TRACKER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_SHARED_MEMORY_BUFFER_TRACKER_H_
 
 #include "media/capture/video/video_capture_buffer_tracker.h"
 
 namespace content {
 
 // Tracker specifics for SharedMemory.
 class SharedMemoryBufferTracker final
     : public media::VideoCaptureBufferTracker {
  public:
   SharedMemoryBufferTracker();
 
   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 SharedMemoryBufferHandle;
 
   // The memory created to be shared with renderer processes.
   base::SharedMemory shared_memory_;
   size_t mapped_size_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_SHARED_MEMORY_BUFFER_TRACKER_H_