Add histogram entry for GpuVideoDecoder errors.

content/renderer/pepper/ppb_video_decoder_impl.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 "content/renderer/pepper/ppb_video_decoder_impl.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 262 matching lines @@
 }
 
 void PPB_VideoDecoder_Impl::NotifyError(
     media::VideoDecodeAccelerator::Error error) {
   DCHECK(RenderThreadImpl::current());
   if (!GetPPP())
     return;
 
   PP_VideoDecodeError_Dev pp_error = MediaToPPError(error);
   GetPPP()->NotifyError(pp_instance(), pp_resource(), pp_error);
-  UMA_HISTOGRAM_ENUMERATION("Media.PepperVideoDecoderError",
-                            error,
-                            media::VideoDecodeAccelerator::LARGEST_ERROR_ENUM);
+  UMA_HISTOGRAM_ENUMERATION("Media.PepperVideoDecoderError", error,
+                            media::VideoDecodeAccelerator::ERROR_MAX + 1);
 }
 
 void PPB_VideoDecoder_Impl::NotifyResetDone() {
   DCHECK(RenderThreadImpl::current());
   RunResetCallback(PP_OK);
 }
 
 void PPB_VideoDecoder_Impl::NotifyEndOfBitstreamBuffer(
     int32_t bitstream_buffer_id) {
   DCHECK(RenderThreadImpl::current());
   RunBitstreamBufferCallback(bitstream_buffer_id, PP_OK);
 }
 
 void PPB_VideoDecoder_Impl::NotifyFlushDone() {
   DCHECK(RenderThreadImpl::current());
   RunFlushCallback(PP_OK);
 }
 
 }  // namespace content