Initialize DXVA decoder thread with MTA COM apartment model

media/gpu/dxva_video_decode_accelerator_win.cc

 // Copyright (c) 2012 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 "media/gpu/dxva_video_decode_accelerator_win.h"
 
 #include <memory>
 
 #if !defined(OS_WIN)
 #error This file should only be built on Windows.
@@ skipping 2208 matching lines @@
                               new_state));
     return;
   }
 
   static_assert(sizeof(State) == sizeof(long), "mismatched type sizes");
   ::InterlockedExchange(reinterpret_cast<volatile long*>(&state_), new_state);
   DCHECK_EQ(state_, new_state);
 }
 
 void DXVAVideoDecodeAccelerator::StartDecoderThread() {
-  decoder_thread_.init_com_with_mta(false);
+  decoder_thread_.init_com_with_mta(true);
   decoder_thread_.Start();
   decoder_thread_task_runner_ = decoder_thread_.task_runner();
 }
 
 bool DXVAVideoDecodeAccelerator::OutputSamplesPresent() {
   base::AutoLock lock(decoder_lock_);
   return !pending_output_samples_.empty();
 }
 
 void DXVAVideoDecodeAccelerator::CopySurface(IDirect3DSurface9* src_surface,
@@ skipping 503 matching lines @@
   SetState(kConfigChange);
   Invalidate();
   Initialize(config_, client_);
   decoder_thread_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&DXVAVideoDecodeAccelerator::DecodePendingInputBuffers,
                  base::Unretained(this)));
 }
 
 }  // namespace media