Eliminate ash::internal namespace

ash/wm/window_animations.cc

 // Copyright (c) 2012 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/wm/window_animations.h"
 
 #include <math.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 450 matching lines @@
   if (!item_rect.IsEmpty())
     return item_rect;
 
   // If both the icon width and height are 0, then there is no icon in the
   // launcher for |window| or the icon is hidden in the overflow menu. If the
   // launcher is auto hidden, one of the height or width will be 0 but the
   // position in the launcher and the major dimension are still reported
   // correctly and the window can be animated to the launcher item's light
   // bar.
   if (item_rect.width() != 0 || item_rect.height() != 0) {
-    internal::ShelfLayoutManager* layout_manager =
-        internal::ShelfLayoutManager::ForShelf(window);
+    ShelfLayoutManager* layout_manager = ShelfLayoutManager::ForShelf(window);
     if (layout_manager->visibility_state() == SHELF_AUTO_HIDE) {
       gfx::Rect shelf_bounds = shelf->shelf_widget()->GetWindowBoundsInScreen();
       switch (layout_manager->GetAlignment()) {
         case SHELF_ALIGNMENT_BOTTOM:
           item_rect.set_y(shelf_bounds.y());
           break;
         case SHELF_ALIGNMENT_LEFT:
           item_rect.set_x(shelf_bounds.right());
           break;
         case SHELF_ALIGNMENT_RIGHT:
           item_rect.set_x(shelf_bounds.x());
           break;
         case SHELF_ALIGNMENT_TOP:
           item_rect.set_y(shelf_bounds.bottom());
           break;
       }
       return item_rect;
     }
   }
 
   // Assume the shelf is overflowed, zoom off to the bottom right of the
   // work area.
   gfx::Rect work_area =
       Shell::GetScreen()->GetDisplayNearestWindow(window).work_area();
   return gfx::Rect(work_area.right(), work_area.bottom(), 0, 0);
 }
 
 }  // namespace ash