Eliminate ash::internal namespace

ash/frame/caption_buttons/frame_maximize_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/frame_maximize_button.h"
 
 #include "ash/frame/caption_buttons/frame_maximize_button_observer.h"
 #include "ash/frame/caption_buttons/maximize_bubble_controller.h"
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/screen_util.h"
@@ skipping 396 matching lines @@
   snap_type_ = type;
   SchedulePaint();
 
   if (snap_type_ == SNAP_NONE) {
     phantom_window_.reset();
     return;
   }
 
   if (!phantom_window_) {
     phantom_window_.reset(
-        new internal::PhantomWindowController(frame_->GetNativeWindow()));
+        new PhantomWindowController(frame_->GetNativeWindow()));
   }
   if (maximizer_) {
     phantom_window_->set_phantom_below_window(maximizer_->GetBubbleWindow());
     maximizer_->SetSnapType(snap_type_);
   }
   phantom_window_->Show(ScreenBoundsForType(snap_type_));
 }
 
 SnapType FrameMaximizeButton::SnapTypeForLocation(
     const gfx::Point& location) const {
@@ skipping 110 matching lines @@
     return FRAME_STATE_SNAP_LEFT;
   if (bounds.right() == screen.right())
     return FRAME_STATE_SNAP_RIGHT;
   // If we come here, it is likely caused by the fact that the
   // "VerticalResizeDoubleClick" stored a restore rectangle. In that case
   // we allow all maximize operations (and keep the restore rectangle).
   return FRAME_STATE_NONE;
 }
 
 }  // namespace ash