SimulateKeyDownEvent  667 chrome/renderer/autofill/password_autofill_agent_browsertest.cc   SimulateKeyDownEvent(username_element_, ui::VKEY_BACK);
SimulateKeyDownEvent  672 chrome/renderer/autofill/password_autofill_agent_browsertest.cc   SimulateKeyDownEvent(username_element_, ui::VKEY_A);