Listen for key events in SetupXI2ForXWindow()

ui/events/x/touch_factory_x11.cc

Index: ui/events/x/touch_factory_x11.cc
diff --git a/ui/events/x/touch_factory_x11.cc b/ui/events/x/touch_factory_x11.cc
index 994f1ec80fdf70121fcb1add39d7840b3f902280..e016ea642a197d887fe3591619d8465db37dab92 100644
--- a/ui/events/x/touch_factory_x11.cc
+++ b/ui/events/x/touch_factory_x11.cc
@@ -18,6 +18,7 @@
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
+#include "base/sys_info.h"
 #include "ui/events/event_switches.h"
 #include "ui/events/x/device_data_manager_x11.h"
 #include "ui/events/x/device_list_cache_x.h"
@@ -210,6 +211,12 @@ void TouchFactory::SetupXI2ForXWindow(Window window) {
   XISetMask(mask, XI_ButtonPress);
   XISetMask(mask, XI_ButtonRelease);
   XISetMask(mask, XI_Motion);
+#if defined(OS_CHROMEOS)
+  if (base::SysInfo::IsRunningOnChromeOS()) {
+    XISetMask(mask, XI_KeyPress);
+    XISetMask(mask, XI_KeyRelease);
+  }
+#endif
 
   XIEventMask evmask;
   evmask.deviceid = XIAllDevices;