Adds a stub method & classes for those which aren't used in android.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 1434e76813a562214d7d176af0005bc1f4f877a4..79b6e80816f30b9e0f637f19ec475ef5ea2d2677 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -2098,11 +2098,16 @@ WebMediaPlayer* RenderViewImpl::createMediaPlayer(
       content::GetContentClient()->renderer()->OverrideCreateWebMediaPlayer(
           this, frame, client, AsWeakPtr(), collection, audio_source_provider,
           message_loop_factory, media_stream_impl_.get(), render_media_log);
+#if defined(OS_ANDROID)
+  // TODO(qinmin): Implement for android.
+  // http://crbug.com/113218
+#else
   if (!media_player) {
     media_player = new webkit_media::WebMediaPlayerImpl(
         frame, client, AsWeakPtr(), collection, audio_source_provider,
         message_loop_factory, media_stream_impl_.get(), render_media_log);
   }
+#endif
   return media_player;
 }