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

media/tools/player_wtl/view.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_TOOLS_PLAYER_WTL_VIEW_H_
 #define MEDIA_TOOLS_PLAYER_WTL_VIEW_H_
 
 #include <stdio.h>
 #include <process.h>
 #include <string.h>
@@ skipping 164 matching lines @@
 
       case 5:  // Quadruple.
         scaled_width = clipped_width;
         scaled_height = clipped_height;
         clipped_width = scaled_width / 4;
         clipped_height = scaled_height / 4;
         break;
     }
 
     // Append each frame to end of file.
-    bool enable_dump_yuv_file = media::Movie::get()->GetDumpYuvFileEnable();
+    bool enable_dump_yuv_file =
+        media::Movie::GetInstance()->GetDumpYuvFileEnable();
     if (enable_dump_yuv_file) {
       DumpYUV(video_frame);
     }
 
 #ifdef TESTING
     double yuv_time_start = GetTime();  // Start timer.
 #endif
 
-    bool enable_draw = media::Movie::get()->GetDrawEnable();
+    bool enable_draw = media::Movie::GetInstance()->GetDrawEnable();
     if (enable_draw) {
       DCHECK(bm.bmBitsPixel == 32);
       DrawYUV(video_frame,
               movie_dib_bits,
               dibrowbytes,
               clipped_width,
               clipped_height,
               scaled_width,
               scaled_height);
     }
@@ skipping 238 matching lines @@
     }
   }
 
   media::VideoFrame* last_frame_;
   base::TimeDelta last_timestamp_;
 
   DISALLOW_COPY_AND_ASSIGN(WtlVideoWindow);
 };
 
 #endif  // MEDIA_TOOLS_PLAYER_WTL_VIEW_H_