Eliminate ash::internal namespace

ash/frame/caption_buttons/alternate_frame_size_button.cc

 // 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.
 
 #include "ash/frame/caption_buttons/alternate_frame_size_button.h"
 
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/touch/touch_uma.h"
@@ skipping 205 matching lines @@
       case CAPTION_BUTTON_ICON_CLOSE:
       case CAPTION_BUTTON_ICON_COUNT:
         NOTREACHED();
         break;
     }
   }
 
   if (snap_type_ == SNAP_LEFT || snap_type_ == SNAP_RIGHT) {
     aura::Window* window = frame_->GetNativeWindow();
     if (!phantom_window_controller_.get()) {
-      phantom_window_controller_.reset(
-          new internal::PhantomWindowController(window));
+      phantom_window_controller_.reset(new PhantomWindowController(window));
     }
     gfx::Rect phantom_bounds_in_parent = (snap_type_ == SNAP_LEFT) ?
         wm::GetDefaultLeftSnappedWindowBoundsInParent(window) :
         wm::GetDefaultRightSnappedWindowBoundsInParent(window);
     phantom_window_controller_->Show(ScreenUtil::ConvertRectToScreen(
           window->parent(), phantom_bounds_in_parent));
   } else {
     phantom_window_controller_.reset();
   }
 }
@@ skipping 38 matching lines @@
 void AlternateFrameSizeButton::SetButtonsToNormalMode(
     AlternateFrameSizeButtonDelegate::Animate animate) {
   in_snap_mode_ = false;
   snap_type_ = SNAP_NONE;
   set_buttons_to_snap_mode_timer_.Stop();
   delegate_->SetButtonsToNormal(animate);
   phantom_window_controller_.reset();
 }
 
 }  // namespace ash