mash: Migrate shelf tooltip manager tests to ash/common.

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,
     # These files lists are shared with the GN build.
     'ash_sources': [
       'accelerators/accelerator_commands_aura.cc',
@@ skipping 905 matching lines @@
       'ash_touch_exploration_manager_chromeos_unittest.cc',
       'autoclick/autoclick_unittest.cc',
       'common/accelerators/accelerator_table_unittest.cc',
       'common/display/display_info_unittest.cc',
       'common/material_design/material_design_controller_unittest.cc',
       'common/popup_message_unittest.cc',
       'common/shelf/shelf_button_pressed_metric_tracker_unittest.cc',
       'common/shelf/shelf_locking_manager_unittest.cc',
       'common/shelf/shelf_model_unittest.cc',
       'common/shelf/shelf_navigator_unittest.cc',
+      'common/shelf/shelf_tooltip_manager_unittest.cc',
       'common/system/chromeos/brightness/tray_brightness_unittest.cc',
       'common/system/chromeos/ime_menu/ime_menu_tray_unittest.cc',
       'common/system/chromeos/media_security/multi_profile_media_tray_item_unittest.cc',
       'common/system/chromeos/palette/palette_tool_manager_unittest.cc',
       'common/system/chromeos/power/power_status_unittest.cc',
       'common/system/chromeos/power/power_status_view_unittest.cc',
       'common/system/chromeos/power/tray_power_unittest.cc',
       'common/system/chromeos/screen_security/screen_tray_item_unittest.cc',
       'common/system/chromeos/session/logout_confirmation_controller_unittest.cc',
       'common/system/chromeos/session/tray_session_length_limit_unittest.cc',
@@ skipping 38 matching lines @@
       'host/ash_window_tree_host_x11_unittest.cc',
       'magnifier/magnification_controller_unittest.cc',
       'metrics/desktop_task_switch_metric_recorder_unittest.cc',
       'metrics/task_switch_metrics_recorder_unittest.cc',
       'metrics/task_switch_time_tracker_unittest.cc',
       'metrics/user_metrics_recorder_unittest.cc',
       'root_window_controller_unittest.cc',
       'rotator/screen_rotation_animation_unittest.cc',
       'screen_util_unittest.cc',
       'shelf/shelf_layout_manager_unittest.cc',
-      'shelf/shelf_tooltip_manager_unittest.cc',
       'shelf/shelf_unittest.cc',
       'shelf/shelf_view_unittest.cc',
       'shelf/shelf_widget_unittest.cc',
       'shelf/shelf_window_watcher_unittest.cc',
       'shell_unittest.cc',
       'sticky_keys/sticky_keys_overlay_unittest.cc',
       'sticky_keys/sticky_keys_unittest.cc',
       'system/chromeos/power/power_event_observer_unittest.cc',
       'system/chromeos/power/video_activity_notifier_unittest.cc',
       'system/chromeos/rotation/tray_rotation_lock_unittest.cc',
@@ skipping 482 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }