DOCKED_ACTION_SOURCE_UNKNOWN  813 ash/wm/dock/docked_window_layout_manager.cc       RecordUmaAction(DOCKED_ACTION_MAXIMIZE, DOCKED_ACTION_SOURCE_UNKNOWN);
DOCKED_ACTION_SOURCE_UNKNOWN  849 ash/wm/dock/docked_window_layout_manager.cc     FinishDragging(DOCKED_ACTION_NONE, DOCKED_ACTION_SOURCE_UNKNOWN);
DOCKED_ACTION_SOURCE_UNKNOWN  855 ash/wm/dock/docked_window_layout_manager.cc   RecordUmaAction(DOCKED_ACTION_CLOSE, DOCKED_ACTION_SOURCE_UNKNOWN);
DOCKED_ACTION_SOURCE_UNKNOWN  922 ash/wm/dock/docked_window_layout_manager.cc   RecordUmaAction(DOCKED_ACTION_MINIMIZE, DOCKED_ACTION_SOURCE_UNKNOWN);
DOCKED_ACTION_SOURCE_UNKNOWN  939 ash/wm/dock/docked_window_layout_manager.cc     RecordUmaAction(DOCKED_ACTION_EVICT, DOCKED_ACTION_SOURCE_UNKNOWN);
DOCKED_ACTION_SOURCE_UNKNOWN  947 ash/wm/dock/docked_window_layout_manager.cc   RecordUmaAction(DOCKED_ACTION_RESTORE, DOCKED_ACTION_SOURCE_UNKNOWN);