Log MediaSource parsing errors to the MediaLog so they can appear in chrome:media-internals.

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 100 matching lines @@
   return result;
 }
 
 // TODO(acolwell): Investigate whether the key_system & session_id parameters
 // are really necessary.
 typedef base::Callback<void(const std::string&,
                             const std::string&,
                             scoped_array<uint8>,
                             int)> OnNeedKeyCB;
 
+static void LogMediaSourceError(const scoped_refptr<media::MediaLog>& media_log,
+                                const std::string& error) {
+  media_log->AddEvent(media_log->CreateMediaSourceErrorEvent(error));
+}
+
 WebMediaPlayerImpl::WebMediaPlayerImpl(
     WebKit::WebFrame* frame,
     WebKit::WebMediaPlayerClient* client,
     base::WeakPtr<WebMediaPlayerDelegate> delegate,
     media::FilterCollection* collection,
     WebKit::WebAudioSourceProvider* audio_source_provider,
     media::AudioRendererSink* audio_renderer_sink,
     media::MessageLoopFactory* message_loop_factory,
     MediaStreamClient* media_stream_client,
     media::MediaLog* media_log)
@@ skipping 136 matching lines @@
                                  filter_collection_.get())) {
     supports_save_ = false;
     StartPipeline();
     return;
   }
 
   // Media source pipelines can start immediately.
   if (!url.isEmpty() && url == GetClient()->sourceURL()) {
     chunk_demuxer_ = new media::ChunkDemuxer(
         BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDemuxerOpened),
-        BIND_TO_RENDER_LOOP_2(&WebMediaPlayerImpl::OnNeedKey, "", ""));
+        BIND_TO_RENDER_LOOP_2(&WebMediaPlayerImpl::OnNeedKey, "", ""),
+        base::Bind(&LogMediaSourceError, media_log_));
 
     BuildMediaSourceCollection(chunk_demuxer_,
                                message_loop,
                                filter_collection_.get(),
                                decryptor_.get());
     supports_save_ = false;
     StartPipeline();
     return;
   }
 
@@ skipping 912 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