Separated alt-tab window cycle from overview mode

ash/ash.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
   },
   'includes': [
@@ skipping 581 matching lines @@
         'wm/overlay_event_filter.cc',
         'wm/overlay_event_filter.h',
         'wm/overview/scoped_transform_overview_window.cc',
         'wm/overview/scoped_transform_overview_window.h',
         'wm/overview/scoped_window_copy.cc',
         'wm/overview/scoped_window_copy.h',
         'wm/overview/window_overview.cc',
         'wm/overview/window_overview.h',
         'wm/overview/window_selector.cc',
         'wm/overview/window_selector.h',
+        'wm/window_cycle_controller.cc',
+        'wm/window_cycle_controller.h',
+        'wm/window_cycle_list.cc',
+        'wm/window_cycle_list.h',
         'wm/overview/window_selector_controller.cc',
         'wm/overview/window_selector_controller.h',
         'wm/overview/window_selector_delegate.h',
         'wm/overview/window_selector_item.cc',
         'wm/overview/window_selector_item.h',
         'wm/overview/window_selector_panels.cc',
         'wm/overview/window_selector_panels.h',
         'wm/overview/window_selector_window.cc',
         'wm/overview/window_selector_window.h',
         'wm/panels/attached_panel_window_targeter.cc',
@@ skipping 386 matching lines @@
         'wm/panels/panel_window_resizer_unittest.cc',
         'wm/partial_screenshot_view_unittest.cc',
         'wm/resize_shadow_and_cursor_unittest.cc',
         'wm/screen_dimmer_unittest.cc',
         'wm/stacking_controller_unittest.cc',
         'wm/system_gesture_event_filter_unittest.cc',
         'wm/system_modal_container_layout_manager_unittest.cc',
         'wm/toplevel_window_event_handler_unittest.cc',
         'wm/video_detector_unittest.cc',
         'wm/window_animations_unittest.cc',
+        'wm/window_cycle_controller_unittest.cc',
         'wm/window_manager_unittest.cc',
         'wm/window_modality_controller_unittest.cc',
         'wm/window_positioner_unittest.cc',
         'wm/window_state_unittest.cc',
         'wm/window_util_unittest.cc',
         'wm/maximize_mode/workspace_backdrop_delegate.cc',
         'wm/maximize_mode/workspace_backdrop_delegate.h',
         'wm/workspace/magnetism_matcher_unittest.cc',
         'wm/workspace/multi_window_resize_controller_unittest.cc',
         'wm/workspace/phantom_window_controller_unittest.cc',
@@ skipping 180 matching lines @@
         'ash_shell_lib',
         'ash_test_support',
       ],
       'sources': [
         'shell/window_watcher_unittest.cc',
         'test/ash_unittests.cc',
       ],
     },
   ],
 }