MediaLog: Log selected audio/video decoder name.

media/filters/gpu_video_decoder.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/filters/gpu_video_decoder.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 120 matching lines @@
 // UMA stat reported because the UMA_HISTOGRAM_ENUMERATION API requires a
 // callsite to always be called with the same stat name (can't parameterize it).
 static void ReportGpuVideoDecoderInitializeStatusToUMAAndRunCB(
     const PipelineStatusCB& cb,
     PipelineStatus status) {
   UMA_HISTOGRAM_ENUMERATION(
       "Media.GpuVideoDecoderInitializeStatus", status, PIPELINE_STATUS_MAX + 1);
   cb.Run(status);
 }
 
+std::string GpuVideoDecoder::GetDisplayName() const {
+  return "GpuVideoDecoder";
+}
+
 void GpuVideoDecoder::Initialize(const VideoDecoderConfig& config,
                                  bool /* low_delay */,
                                  const PipelineStatusCB& orig_status_cb,
                                  const OutputCB& output_cb) {
   DVLOG(3) << "Initialize()";
   DCheckGpuVideoAcceleratorFactoriesTaskRunnerIsCurrent();
   DCHECK(config.IsValidConfig());
   DCHECK(!config.is_encrypted());
 
   PipelineStatusCB status_cb =
@@ skipping 465 matching lines @@
   DLOG(ERROR) << "VDA Error: " << error;
   DestroyVDA();
 }
 
 void GpuVideoDecoder::DCheckGpuVideoAcceleratorFactoriesTaskRunnerIsCurrent()
     const {
   DCHECK(factories_->GetTaskRunner()->BelongsToCurrentThread());
 }
 
 }  // namespace media