Fix- WebMediaPlayerAndroid::hasAudio() to query status of audio and return actual value

content/renderer/media/android/webmediaplayer_android.cc

Index: content/renderer/media/android/webmediaplayer_android.cc
diff --git a/content/renderer/media/android/webmediaplayer_android.cc b/content/renderer/media/android/webmediaplayer_android.cc
index 6a0d2fc7a1a723312fec80f6f8c97013b0ad9611..9e8fa933eaca8079a7e0fd7855b1324b451300a9 100644
--- a/content/renderer/media/android/webmediaplayer_android.cc
+++ b/content/renderer/media/android/webmediaplayer_android.cc
@@ -441,7 +441,12 @@ bool WebMediaPlayerAndroid::hasVideo() const {
 
 bool WebMediaPlayerAndroid::hasAudio() const {
   // TODO(hclam): Query status of audio and return the actual value.
-  return true;
+  if (!url_.has_path())
+    return false;
+  std::string mime;
+  if (!net::GetMimeTypeFromFile(base::FilePath(url_.path()), &mime))
+    return true;
+  return mime.find("audio/") != std::string::npos;

[qinmin, 2014/01/06 18:23:49]

I don't think this is right.
If the mime is video/xxx, this will always return false, which is wrong as the
video might have audio stream in it

 }
 
 bool WebMediaPlayerAndroid::paused() const {