services/ui: make autorepeat work with accelerator.

services/ui/ws/event_matcher.cc

Index: services/ui/ws/event_matcher.cc
diff --git a/services/ui/ws/event_matcher.cc b/services/ui/ws/event_matcher.cc
index 1cd91568adfa074c902c10146cb81be267ce0536..8739792bea78dbfd48b5e528f2a3a95d890e90de 100644
--- a/services/ui/ws/event_matcher.cc
+++ b/services/ui/ws/event_matcher.cc
@@ -76,7 +76,8 @@ EventMatcher::~EventMatcher() {}
 bool EventMatcher::MatchesEvent(const ui::Event& event) const {
   if ((fields_to_match_ & TYPE) && event.type() != event_type_)
     return false;
-  int flags = event.flags() & ~ignore_event_flags_;
+  constexpr int kIgnoreFlags = EF_IS_SYNTHESIZED | EF_IS_REPEAT;

[sky, 2017/03/30 23:44:43]

Please add a comment here. Also, I would name this kSyntheticFlags or something
to better indicate these flags should never be matched against.

[Peng, 2017/03/31 14:09:22]

Done.

+  int flags = event.flags() & ~(ignore_event_flags_ | kIgnoreFlags);
   if ((fields_to_match_ & FLAGS) && flags != event_flags_)
     return false;
   if (fields_to_match_ & KEYBOARD_CODE) {