Eliminate ash::internal namespace

ash/system/tray/actionable_view.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_SYSTEM_TRAY_ACTIONABLE_VIEW_H_
 #define ASH_SYSTEM_TRAY_ACTIONABLE_VIEW_H_
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/views/view.h"
 
 namespace ash {
-namespace internal {
 
 // A focusable view that performs an action when user clicks on it, or presses
 // enter or space when focused. Note that the action is triggered on mouse-up,
 // instead of on mouse-down. So if user presses the mouse on the view, then
 // moves the mouse out of the view and then releases, then the action will not
 // be performed.
 // Exported for SystemTray.
 class ASH_EXPORT ActionableView : public views::View {
  public:
   static const char kViewClassName[];
@@ skipping 30 matching lines @@
   // Overridden from ui::EventHandler.
   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
 
  private:
   base::string16 accessible_name_;
   bool has_capture_;
 
   DISALLOW_COPY_AND_ASSIGN(ActionableView);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_ACTIONABLE_VIEW_H_