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..bdb2d6997572e46f174f8e89e827249f76a5c790 100644
--- a/content/renderer/media/android/webmediaplayer_android.cc
+++ b/content/renderer/media/android/webmediaplayer_android.cc
@@ -440,8 +440,18 @@ 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;
+
+  if (mime.find("audio/") != std::string::npos ||
+      mime.find("video/") != std::string::npos ||
+      mime.find("application/ogg") != std::string::npos) {
+    return true;
+  }
+  return false;
 }
 
 bool WebMediaPlayerAndroid::paused() const {