Skeleton for app_list on OSX, and refactoring for enable_app_list=1 on OS=="mac".

ash/wm/app_list_controller.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/app_list_controller.h"
 
 #include "ash/launcher/launcher.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/property_util.h"
 #include "ash/wm/shelf_layout_manager.h"
 #include "ui/app_list/app_list_constants.h"
-#include "ui/app_list/app_list_view.h"
 #include "ui/app_list/pagination_model.h"
+#include "ui/app_list/views/app_list_view.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/base/events/event.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/transform_util.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
@@ skipping 313 matching lines @@
     should_snap_back_ = false;
     ui::ScopedLayerAnimationSettings animation(widget_animator);
     animation.SetTransitionDuration(base::TimeDelta::FromMilliseconds(
         app_list::kOverscrollPageTransitionDurationMs));
     widget->SetBounds(view_bounds_);
   }
 }
 
 }  // namespace internal
 }  // namespace ash