Cleanup: Remove even more dead switches.

ui/gfx/compositor/compositor_switches.h

Index: ui/gfx/compositor/compositor_switches.h
===================================================================
--- ui/gfx/compositor/compositor_switches.h	(revision 120364)
+++ ui/gfx/compositor/compositor_switches.h	(working copy)
@@ -1,9 +1,9 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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 UI_GFX_COMPOSITOR_SWITCHES_H_
-#define UI_GFX_COMPOSITOR_SWITCHES_H_
+#ifndef UI_GFX_COMPOSITOR_COMPOSITOR_SWITCHES_H_
+#define UI_GFX_COMPOSITOR_COMPOSITOR_SWITCHES_H_
 #pragma once
 
 #include "ui/gfx/compositor/compositor_export.h"
@@ -12,7 +12,6 @@
 
 COMPOSITOR_EXPORT extern const char kDisableTestCompositor[];
 COMPOSITOR_EXPORT extern const char kDisableUIVsync[];
-COMPOSITOR_EXPORT extern const char kEnableCompositorOverdrawDebugging[];
 COMPOSITOR_EXPORT extern const char kUIEnablePartialSwap[];
 COMPOSITOR_EXPORT extern const char kUIShowFPSCounter[];
 COMPOSITOR_EXPORT extern const char kUIShowLayerBorders[];
@@ -20,4 +19,4 @@
 
 }  // namespace switches
 
-#endif  // UI_GFX_COMPOSITOR_SWITCHES_H_
+#endif  // UI_GFX_COMPOSITOR_COMPOSITOR_SWITCHES_H_