Add UMA reporting for GpuVideoDecoder::Initialize status.

webkit/media/webmediaplayer_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 "webkit/media/webmediaplayer_impl.h"
 
 #include <limits>
 #include <string>
 #include <vector>
 
@@ skipping 809 matching lines @@
     OnPipelineError(status);
     return;
   }
   GetClient()->timeChanged();
 }
 
 void WebMediaPlayerImpl::OnPipelineError(PipelineStatus error) {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   switch (error) {
     case media::PIPELINE_OK:
-      LOG(DFATAL) << "PIPELINE_OK isn't an error!";
+      NOTREACHED() << "PIPELINE_OK isn't an error!";
       break;
 
     case media::PIPELINE_ERROR_NETWORK:
     case media::PIPELINE_ERROR_READ:
       SetNetworkState(WebMediaPlayer::NetworkStateNetworkError);
       break;
 
     case media::PIPELINE_ERROR_INITIALIZATION_FAILED:
     case media::PIPELINE_ERROR_REQUIRED_FILTER_MISSING:
     case media::PIPELINE_ERROR_COULD_NOT_RENDER:
@@ skipping 11 matching lines @@
     case media::PIPELINE_ERROR_INVALID_STATE:
       SetNetworkState(WebMediaPlayer::NetworkStateDecodeError);
       break;
 
     case media::PIPELINE_ERROR_DECRYPT:
       // Decrypt error.
       // TODO(xhwang): Change to use NetworkStateDecryptError once it's added in
       // Webkit (see http://crbug.com/124486).
       SetNetworkState(WebMediaPlayer::NetworkStateDecodeError);
       break;
+
+    case media::PIPELINE_STATUS_MAX:
+      NOTREACHED() << "PIPELINE_STATUS_MAX isn't a real error!";
+      break;
   }
 
   // Repaint to trigger UI update.
   Repaint();
 }
 
 void WebMediaPlayerImpl::OnDemuxerOpened() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
 
   GetClient()->sourceOpened();
@@ skipping 149 matching lines @@
   return audio_source_provider_;
 }
 
 void WebMediaPlayerImpl::IncrementExternallyAllocatedMemory() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   incremented_externally_allocated_memory_ = true;
   v8::V8::AdjustAmountOfExternalAllocatedMemory(kPlayerExtraMemory);
 }
 
 }  // namespace webkit_media