LEFT_ALT 97 content/renderer/render_view_browsertest.cc { MockKeyboard::LEFT_ALT, ui::EF_ALT_DOWN }, LEFT_ALT 280 content/renderer/render_view_browsertest.cc modifiers & (MockKeyboard::LEFT_ALT | MockKeyboard::RIGHT_ALT), LEFT_ALT 135 content/test/mock_keyboard_driver_win.cc {VK_MENU, MockKeyboard::LEFT_ALT | MockKeyboard::RIGHT_ALT}, LEFT_ALT 138 content/test/mock_keyboard_driver_win.cc {VK_LMENU, MockKeyboard::LEFT_ALT},