Make members of Singleton<T> private and only visible to the singleton type.

media/tools/player_wtl/props.h

Index: media/tools/player_wtl/props.h
diff --git a/media/tools/player_wtl/props.h b/media/tools/player_wtl/props.h
index 65224e5431ac2d3b4fb202a3dec6b163af5997b9..d2b7dbb8951b61607f606409a2ee842777d042dd 100644
--- a/media/tools/player_wtl/props.h
+++ b/media/tools/player_wtl/props.h
@@ -124,7 +124,7 @@ class CPageOne : public CPropertyPageImpl<CPageOne> {
         SetDlgItemText(IDC_FILESIZE, szBuff);
 
         // TODO(fbarchard): We need a pipeline property for frame rate.
-        float duration = media::Movie::get()->GetDuration();
+        float duration = media::Movie::GetInstance()->GetDuration();
         float fps = 29.97f;
         wsprintf(szBuff, L"%i.%2i Seconds, %i Frames",
                  static_cast<int>(duration),