Eliminate ash::internal namespace

ash/wm/overview/window_selector.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_WM_OVERVIEW_WINDOW_SELECTOR_H_
 #define ASH_WM_OVERVIEW_WINDOW_SELECTOR_H_
 
 #include <set>
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/time/time.h"
 #include "ui/aura/window_observer.h"
 #include "ui/wm/public/activation_change_observer.h"
 
 namespace aura {
 class RootWindow;
 }
 
 namespace ui {
 class EventHandler;
 }
 
 namespace ash {
-
-namespace internal {
-class WindowSelectorTest;
-}
-
 class ScopedShowWindow;
 class WindowOverview;
 class WindowSelectorDelegate;
 class WindowSelectorItem;
+class WindowSelectorTest;
 
 // The WindowSelector allows selecting a window by alt-tabbing (CYCLE mode) or
 // by clicking or tapping on it (OVERVIEW mode). A WindowOverview will be shown
 // in OVERVIEW mode or if the user lingers on a window while alt tabbing.
 class ASH_EXPORT WindowSelector
     : public aura::WindowObserver,
       public aura::client::ActivationChangeObserver {
  public:
   enum Direction {
     FORWARD,
@@ skipping 33 matching lines @@
   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
 
   // Overridden from aura::client::ActivationChangeObserver:
   virtual void OnWindowActivated(aura::Window* gained_active,
                                  aura::Window* lost_active) OVERRIDE;
   virtual void OnAttemptToReactivateWindow(
       aura::Window* request_active,
       aura::Window* actual_active) OVERRIDE;
 
  private:
-  friend class internal::WindowSelectorTest;
+  friend class WindowSelectorTest;
 
   // Begins positioning windows such that all windows are visible on the screen.
   void StartOverview();
 
   // Resets the stored window from RemoveFocusAndSetRestoreWindow to NULL. If
   // |focus|, restores focus to the stored window.
   void ResetFocusRestoreWindow(bool focus);
 
   // The collection of items in the overview wrapped by a helper class which
   // restores their state and helps transform them to other root windows.
@@ skipping 33 matching lines @@
   // True when performing operations that may cause window activations. This is
   // used to prevent handling the resulting expected activation.
   bool ignore_activations_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowSelector);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_OVERVIEW_WINDOW_SELECTOR_H_