Implement fallback from WMPI to WMPA.

content/renderer/media/android/webmediaplayer_android.h

Index: content/renderer/media/android/webmediaplayer_android.h
diff --git a/content/renderer/media/android/webmediaplayer_android.h b/content/renderer/media/android/webmediaplayer_android.h
index 51ba4af1b3cc3fbf820774b6f55e37bba5502a87..f37c423e54208ef549f02fa798c1cda9ce07d433 100644
--- a/content/renderer/media/android/webmediaplayer_android.h
+++ b/content/renderer/media/android/webmediaplayer_android.h
@@ -83,6 +83,13 @@ class WebMediaPlayerAndroid : public blink::WebMediaPlayer,
                               public RenderFrameObserver,
                               public StreamTextureFactoryContextObserver {
  public:
+  // Test whether the path of a URL ends with ".m3u8".
+  static bool IsHLSURL(const GURL& url);
+
+  // Test whether a URL contains "m3u8". (Using exactly the same logic as
+  // NuPlayer does to determine if a stream is HLS.)
+  static bool IsHLSPath(const GURL& url);
+
   // Construct a WebMediaPlayerAndroid object. This class communicates with the
   // MediaPlayerAndroid object in the browser process through |proxy|.
   // TODO(qinmin): |frame| argument is used to determine whether the current