Eliminate ash::internal namespace

ash/frame/caption_buttons/frame_maximize_button.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_FRAME_CAPTION_BUTTONS_FRAME_MAXIMIZE_BUTTON_H_
 #define ASH_FRAME_CAPTION_BUTTONS_FRAME_MAXIMIZE_BUTTON_H_
 
 #include "ash/ash_export.h"
 #include "ash/frame/caption_buttons/caption_button_types.h"
 #include "ash/frame/caption_buttons/frame_caption_button.h"
 #include "ash/wm/workspace/snap_types.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/timer/timer.h"
 #include "ui/aura/window_observer.h"
 #include "ui/views/widget/widget_observer.h"
 
 namespace views {
 class Widget;
 }
 
 namespace ash {
 class FrameMaximizeButtonObserver;
-
-namespace internal {
+class MaximizeBubbleController;
 class PhantomWindowController;
-}
-
-class MaximizeBubbleController;
 
 // Button used for the maximize control on the frame. Handles snapping logic.
 class ASH_EXPORT FrameMaximizeButton : public FrameCaptionButton,
                                        public views::WidgetObserver,
                                        public aura::WindowObserver {
  public:
   FrameMaximizeButton(views::ButtonListener* listener,
                       views::Widget* frame);
   virtual ~FrameMaximizeButton();
 
@@ skipping 97 matching lines @@
   MaximizeBubbleFrameState GetMaximizeBubbleFrameState() const;
 
   // Widget that the maximize button acts on. This is different than the widget
   // which contains the button in the case of AppNonClientFrameViewAsh.
   views::Widget* frame_;
 
   // True if we have put observers on |frame_|.
   bool observing_frame_;
 
   // Renders the snap position.
-  scoped_ptr<internal::PhantomWindowController> phantom_window_;
+  scoped_ptr<PhantomWindowController> phantom_window_;
 
   // Is snapping enabled? Set on press so that in drag we know whether we
   // should show the snap locations.
   bool is_snap_enabled_;
 
   // Did the user drag far enough to trigger snapping?
   bool exceeded_drag_threshold_;
 
   // Location of the press.
   gfx::Point press_location_;
@@ skipping 11 matching lines @@
   int bubble_appearance_delay_ms_;
 
   ObserverList<FrameMaximizeButtonObserver> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameMaximizeButton);
 };
 
 }  // namespace ash
 
 #endif  // ASH_FRAME_CAPTION_BUTTONS_FRAME_MAXIMIZE_BUTTON_H_