Eliminate ash::internal namespace

ash/touch/touch_hud_debug.h

 // Copyright 2013 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 ASH_TOUCH_TOUCH_HUD_DEBUG_H_
 #define ASH_TOUCH_TOUCH_HUD_DEBUG_H_
 
 #include <map>
 
 #include "ash/ash_export.h"
 #include "ash/touch/touch_observer_hud.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 
 namespace views {
 class Label;
 class View;
 }
 
 namespace ash {
-namespace internal {
-
 class TouchHudCanvas;
 class TouchLog;
 
 // A heads-up display to show touch traces on the screen and log touch events.
 // As a derivative of TouchObserverHUD, objects of this class manage their own
 // lifetime.
 class ASH_EXPORT TouchHudDebug : public TouchObserverHUD {
  public:
   enum Mode {
     FULLSCREEN,
@@ skipping 41 matching lines @@
 
   scoped_ptr<TouchLog> touch_log_;
 
   TouchHudCanvas* canvas_;
   views::View* label_container_;
   views::Label* touch_labels_[kMaxTouchPoints];
 
   DISALLOW_COPY_AND_ASSIGN(TouchHudDebug);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_TOUCH_TOUCH_HUD_DEBUG_H_