Fix out of order key events in Chrome on Linux.

ui/events/platform/x11/x11_event_source.h

Index: ui/events/platform/x11/x11_event_source.h
diff --git a/ui/events/platform/x11/x11_event_source.h b/ui/events/platform/x11/x11_event_source.h
index c878e172440046f6c2dfdee41ab502441c509cbe..cf80f9da21d2b5d16fe95177875e4c26557c5e1a 100644
--- a/ui/events/platform/x11/x11_event_source.h
+++ b/ui/events/platform/x11/x11_event_source.h
@@ -64,6 +64,11 @@ class EVENTS_EXPORT X11EventSource {
 
   void BlockUntilWindowUnmapped(XID window);
 
+  // Dispatches a given event immediately. This is to faciliate sequential
+  // interaction between the gtk event loop (used for IME) and the
+  // main X11 event loop.
+  void DispatchEventNow(XEvent* event);

[Yuki, 2016/08/16 09:26:11]

nit: We should declare this member function between DispatchXEvents and
BlockUntilWindowMapped.

nit: s/DispatchEventNow/DispatchXEventNow/ because we already have
DispatchXEvents.

[dtapuska, 2016/08/16 14:48:29]

Done.

+
   XDisplay* display() { return display_; }
   Time last_seen_server_time() const { return last_seen_server_time_; }