100644 blob f44ce0633b67784ef99eeb2a2b7dc78b538e568c	virtual_keyboard_observer.h
100644 blob c53f82f288da953f98cf6504f7e1e4636413d748	virtual_keyboard_tray.cc
100644 blob 2ae272dd3ce51bd333542c70b1bc9632b6a918cd	virtual_keyboard_tray.h