Revert of [Mojo Video Capture] Add test coverage for accelerated jpeg decoding

content/browser/renderer_host/media/video_frame_receiver_on_io_thread.cc

Index: content/browser/renderer_host/media/video_frame_receiver_on_io_thread.cc
diff --git a/content/browser/renderer_host/media/video_frame_receiver_on_io_thread.cc b/content/browser/renderer_host/media/video_frame_receiver_on_io_thread.cc
index b7421e6b90f25ffaf3d1ca6897840e9e44babd0e..f77e25582e096ac4dc630fff39d99acb1e36b58c 100644
--- a/content/browser/renderer_host/media/video_frame_receiver_on_io_thread.cc
+++ b/content/browser/renderer_host/media/video_frame_receiver_on_io_thread.cc
@@ -63,10 +63,4 @@
       base::Bind(&VideoFrameReceiver::OnStarted, receiver_));
 }
 
-void VideoFrameReceiverOnIOThread::OnStartedUsingGpuDecode() {
-  content::BrowserThread::PostTask(
-      content::BrowserThread::IO, FROM_HERE,
-      base::Bind(&VideoFrameReceiver::OnStartedUsingGpuDecode, receiver_));
-}
-
 }  // namespace content