Add MediaError.message

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index 366ada9eddc7407a641a1b1dc0c809181f4426dc..a459b08e55bd3795ec2e229eda63fd858095b64a 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -777,9 +777,10 @@ WebMediaPlayer::ReadyState WebMediaPlayerImpl::GetReadyState() const {
   return ready_state_;
 }
 
-blink::WebString WebMediaPlayerImpl::GetErrorMessage() {
+std::map<std::string, std::vector<std::string>>

[jochen (gone - plz use gerrit), 2017/04/12 09:16:42]

hum, it looks like you really want a base::Value or something here, no?

[wolenetz, 2017/04/13 23:59:10]

I switched back to just blink::WebString. JSON-encoding the error message was
contentious (see other threads on this review).

+WebMediaPlayerImpl::GetErrorMessages() const {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
-  return blink::WebString::FromUTF8(media_log_->GetLastErrorMessage());
+  return media_log_->GetErrorMessages();
 }
 
 blink::WebTimeRanges WebMediaPlayerImpl::Buffered() const {