chromeos: Rename ash::WmShelf to Shelf

ash/dip_unittest.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 <algorithm>
 #include <vector>
 
+#include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_widget.h"
-#include "ash/shelf/wm_shelf.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/compositor/layer.h"
 #include "ui/display/display.h"
 #include "ui/display/manager/display_manager.h"
@@ skipping 35 matching lines @@
 
   // Aura and views coordinates are in DIP, so they their bounds do not change.
   EXPECT_EQ("0,0 1000x900", display_2x.bounds().ToString());
   work_area = display_2x.work_area();
   EXPECT_EQ(gfx::Rect(0, 0, 1000, 852).ToString(), work_area.ToString());
   EXPECT_EQ(gfx::Insets(0, 0, 48, 0).ToString(),
             display_2x.bounds().InsetsFrom(work_area).ToString());
 
   // Sanity check if the workarea's inset hight is same as
   // the shelf's height.
-  WmShelf* shelf = GetPrimaryShelf();
+  Shelf* shelf = GetPrimaryShelf();
   EXPECT_EQ(display_2x.bounds().InsetsFrom(work_area).height(),
             shelf->shelf_widget()->GetNativeView()->layer()->bounds().height());
 }
 
 }  // namespace ash