VKEY_VOLUME_UP    194 Source/platform/KeyCodeConversionAndroid.cpp         return VKEY_VOLUME_UP;
VKEY_VOLUME_UP    333 Source/platform/KeyCodeConversionGtk.cpp         return VKEY_VOLUME_UP; // (AF) Windows 2000/XP: Volume Up key
VKEY_VOLUME_UP    184 Source/web/WebInputEvent.cpp     case VKEY_VOLUME_UP: