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

content/browser/renderer_host/media/shared_memory_buffer_tracker.h

Index: content/browser/renderer_host/media/shared_memory_buffer_tracker.h
diff --git a/content/browser/renderer_host/media/shared_memory_buffer_tracker.h b/content/browser/renderer_host/media/shared_memory_buffer_tracker.h
index 79049c3eaf83c875c911121a0778b3f081cacbf6..50ce37b7ce43852fbdac3a40462e2227bb9f15e6 100644
--- a/content/browser/renderer_host/media/shared_memory_buffer_tracker.h
+++ b/content/browser/renderer_host/media/shared_memory_buffer_tracker.h
@@ -21,8 +21,7 @@ class SharedMemoryBufferTracker final
             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;