Add histogram entry for GpuVideoDecoder errors.

content/renderer/media/rtc_video_decoder.cc

 // Copyright 2013 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 "content/renderer/media/rtc_video_decoder.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 451 matching lines @@
   // Send the pending buffers for decoding.
   RequestBufferDecode();
 }
 
 void RTCVideoDecoder::NotifyError(media::VideoDecodeAccelerator::Error error) {
   DCheckGpuVideoAcceleratorFactoriesTaskRunnerIsCurrent();
   if (!vda_)
     return;
 
   LOG(ERROR) << "VDA Error:" << error;
-  UMA_HISTOGRAM_ENUMERATION("Media.RTCVideoDecoderError",
-                            error,
-                            media::VideoDecodeAccelerator::LARGEST_ERROR_ENUM);
+  UMA_HISTOGRAM_ENUMERATION("Media.RTCVideoDecoderError", error,
+                            media::VideoDecodeAccelerator::ERROR_MAX + 1);
   DestroyVDA();
 
   base::AutoLock auto_lock(lock_);
   state_ = DECODE_ERROR;
 }
 
 void RTCVideoDecoder::RequestBufferDecode() {
   DCheckGpuVideoAcceleratorFactoriesTaskRunnerIsCurrent();
   if (!vda_)
     return;
@@ skipping 322 matching lines @@
 }
 
 void RTCVideoDecoder::ClearPendingBuffers() {
   // Delete WebRTC input buffers.
   for (const auto& pending_buffer : pending_buffers_)
     delete[] pending_buffer.first._buffer;
   pending_buffers_.clear();
 }
 
 }  // namespace content