Add new animations in second implementation.

ash/shell.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/shell.h"
 
 #include <algorithm>
 #include <string>
 
 #include "ash/accelerators/focus_manager_factory.h"
@@ skipping 29 matching lines @@
 #include "ash/wm/dialog_frame_view.h"
 #include "ash/wm/event_client_impl.h"
 #include "ash/wm/event_rewriter_event_filter.h"
 #include "ash/wm/overlay_event_filter.h"
 #include "ash/wm/power_button_controller.h"
 #include "ash/wm/property_util.h"
 #include "ash/wm/resize_shadow_controller.h"
 #include "ash/wm/root_window_layout_manager.h"
 #include "ash/wm/screen_dimmer.h"
 #include "ash/wm/session_state_controller.h"
+#include "ash/wm/session_state_controller_impl.h"
+#include "ash/wm/session_state_controller_impl2.h"
 #include "ash/wm/shadow_controller.h"
 #include "ash/wm/stacking_controller.h"
 #include "ash/wm/system_gesture_event_filter.h"
 #include "ash/wm/system_modal_container_event_filter.h"
 #include "ash/wm/system_modal_container_layout_manager.h"
 #include "ash/wm/user_activity_detector.h"
 #include "ash/wm/video_detector.h"
 #include "ash/wm/visibility_controller.h"
 #include "ash/wm/window_cycle_controller.h"
 #include "ash/wm/window_modality_controller.h"
@@ skipping 425 matching lines @@
 
   // Force Layout
   root_window_controller->root_window_layout()->OnWindowResized();
 
   // It needs to be created after OnWindowResized has been called, otherwise the
   // widget will not paint when restoring after a browser crash.  Also it needs
   // to be created after InitSecondaryDisplays() to initialize the wallpapers in
   // the correct size.
   user_wallpaper_delegate_->InitializeWallpaper();
 
-  session_state_controller_.reset(new SessionStateController);
+  if (command_line->HasSwitch(ash::switches::kAshNewLockAnimationsEnabled))
+    session_state_controller_.reset(new SessionStateControllerImpl2);
+  else if (command_line->HasSwitch(
+      ash::switches::kAshNewLockAnimationsDisabled))
+    session_state_controller_.reset(new SessionStateControllerImpl);
+  else // default
+    session_state_controller_.reset(new SessionStateControllerImpl);
   power_button_controller_.reset(new PowerButtonController(
       session_state_controller_.get()));
   AddShellObserver(session_state_controller_.get());
 
   if (initially_hide_cursor_)
     cursor_manager_.ShowCursor(false);
 
   // Cursor might have been hidden by somethign other than chrome.
   // Let the first mouse event show the cursor.
   env_filter_->set_cursor_hidden_by_filter(true);
@@ skipping 262 matching lines @@
        iter != controllers.end(); ++iter) {
     if ((*iter)->GetSystemModalLayoutManager(window)->
             CanWindowReceiveEvents(window)) {
       return true;
     }
   }
   return false;
 }
 
 }  // namespace ash