[WIP] ui/window: Master CL.

ui/events/platform/x11/x11_event_source.cc

Index: ui/events/platform/x11/x11_event_source.cc
diff --git a/ui/events/platform/x11/x11_event_source.cc b/ui/events/platform/x11/x11_event_source.cc
index e074bc8e79cb41618f0049cee3c898bfca1b3119..0eea5e954d86d9d4f6322330edf45ee4453f418b 100644
--- a/ui/events/platform/x11/x11_event_source.cc
+++ b/ui/events/platform/x11/x11_event_source.cc
@@ -81,6 +81,7 @@ bool InitializeXkb(XDisplay* display) {
 
 X11EventSource::X11EventSource(XDisplay* display)
     : display_(display) {
+  LOG(ERROR) << "Created " << this << " with " << display_;
   CHECK(display_);
   InitializeXInput2(display_);
   InitializeXkb(display_);
@@ -112,6 +113,8 @@ void X11EventSource::DispatchXEvents() {
 }
 
 void X11EventSource::BlockUntilWindowMapped(XID window) {
+  LOG(ERROR) << "Blocking for " << window << " in " << this << " on "
+             << display_;
   XEvent event;
   do {
     // Block until there's a message of |event_mask| type on |w|. Then remove