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

services/video_capture/mojo_shared_memory_buffer_tracker.cc

 // 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.
 
 #include "services/video_capture/mojo_shared_memory_buffer_tracker.h"
 
 #include "base/memory/ptr_util.h"
 #include "services/video_capture/mojo_shared_memory_buffer_handle.h"
 
 namespace video_capture {
@@ skipping 24 matching lines @@
   frame_ = media::MojoSharedBufferVideoFrame::CreateDefaultI420(
       dimensions, base::TimeDelta());
   return true;
 }
 
 std::unique_ptr<media::VideoCaptureBufferHandle>
 MojoSharedMemoryBufferTracker::GetBufferHandle() {
   return base::MakeUnique<MojoSharedMemoryBufferHandle>(this);
 }
 
-bool MojoSharedMemoryBufferTracker::ShareToProcess(
-    base::ProcessHandle process_handle,
-    base::SharedMemoryHandle* new_handle) {
-  return false;
+mojo::ScopedSharedBufferHandle
+MojoSharedMemoryBufferTracker::GetHandleForTransit() {
+  return mojo::ScopedSharedBufferHandle();
 }
 
 }  // namespace video_capture