Ignore inserting character with Search as a modifier on ChromeOS

ui/events/base_event_utils.h

Index: ui/events/base_event_utils.h
diff --git a/ui/events/base_event_utils.h b/ui/events/base_event_utils.h
index beef1f590ad758de0910c2861cdd01ef831a1a5d..c353c61f23ad63f75cbac1cab44ae62ae01f8923 100644
--- a/ui/events/base_event_utils.h
+++ b/ui/events/base_event_utils.h
@@ -14,6 +14,9 @@ namespace ui {
 // Generate an unique identifier for events.
 EVENTS_BASE_EXPORT uint32 GetNextTouchEventId();
 
+// Checks if |flags| contains system key modifiers.
+EVENTS_BASE_EXPORT bool IsSystemKeyModifier(int flags);
+
 }  // namespace ui
 
 #endif  // UI_EVENTS_BASE_EVENT_UTILS_H_