Fix raw key down events in Pepper.

ppapi/thunk/ppb_input_event_thunk.cc

Index: ppapi/thunk/ppb_input_event_thunk.cc
diff --git a/ppapi/thunk/ppb_input_event_thunk.cc b/ppapi/thunk/ppb_input_event_thunk.cc
index 258c9d3c2c30f3a744107c6ec23b2a4e33842c43..bcfe8f7e040f8fcf59737cef415e9325d06942ff 100644
--- a/ppapi/thunk/ppb_input_event_thunk.cc
+++ b/ppapi/thunk/ppb_input_event_thunk.cc
@@ -210,6 +210,7 @@ PP_Bool IsKeyboardInputEvent(PP_Resource resource) {
   PP_InputEvent_Type type = GetType(resource);
   return PP_FromBool(type == PP_INPUTEVENT_TYPE_KEYDOWN ||
                      type == PP_INPUTEVENT_TYPE_KEYUP ||
+                     type == PP_INPUTEVENT_TYPE_RAWKEYDOWN ||
                      type == PP_INPUTEVENT_TYPE_CHAR);
 }