Add UMA entry for VaapiJpegDecodeAccelerator errors

content/common/gpu/media/vaapi_jpeg_decode_accelerator.cc

 // Copyright 2015 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/common/gpu/media/vaapi_jpeg_decode_accelerator.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
+#include "base/metrics/histogram.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/media/vaapi_picture.h"
 #include "media/base/video_frame.h"
 #include "media/filters/jpeg_parser.h"
 #include "third_party/libyuv/include/libyuv.h"
 
 namespace content {
 
 namespace {
-static void ReportVaapiError() {
-  // TODO(kcwu) report error to UMA
+// UMA errors that the VaapiJpegDecodeAccelerator class reports.
+enum VAJDADecoderFailure {
+  VAAPI_ERROR = 0,
+  VAJDA_DECODER_FAILURES_MAX,
+};
+
+static void ReportToUMA(VAJDADecoderFailure failure) {
+  UMA_HISTOGRAM_ENUMERATION("Media.VAJDA.DecoderFailure", failure,
+                            VAJDA_DECODER_FAILURES_MAX);
 }
 }  // namespace
 
 VaapiJpegDecodeAccelerator::DecodeRequest::DecodeRequest(
     const media::BitstreamBuffer& bitstream_buffer,
     scoped_ptr<base::SharedMemory> shm,
     const scoped_refptr<media::VideoFrame>& video_frame)
     : bitstream_buffer(bitstream_buffer),
       shm(shm.Pass()),
       video_frame(video_frame) {
@@ skipping 42 matching lines @@
   decoder_thread_.Stop();
 }
 
 bool VaapiJpegDecodeAccelerator::Initialize(Client* client) {
   DCHECK(task_runner_->BelongsToCurrentThread());
 
   client_ = client;
 
   vaapi_wrapper_ =
       VaapiWrapper::Create(VaapiWrapper::kDecode, VAProfileJPEGBaseline,
-                           base::Bind(&ReportVaapiError));
+                           base::Bind(&ReportToUMA, VAAPI_ERROR));
 
   if (!vaapi_wrapper_.get()) {
     DLOG(ERROR) << "Failed initializing VAAPI";
     return false;
   }
 
   if (!decoder_thread_.Start()) {
     DLOG(ERROR) << "Failed to start decoding thread.";
     return false;
   }
@@ skipping 145 matching lines @@
 
   scoped_ptr<DecodeRequest> request(
       new DecodeRequest(bitstream_buffer, shm.Pass(), video_frame));
 
   decoder_task_runner_->PostTask(
       FROM_HERE, base::Bind(&VaapiJpegDecodeAccelerator::DecodeTask,
                             base::Unretained(this), base::Passed(&request)));
 }
 
 }  // namespace content