Set Event.composed flag correctly for some of UA UIEvents

third_party/WebKit/Source/core/events/Event.h

Index: third_party/WebKit/Source/core/events/Event.h
diff --git a/third_party/WebKit/Source/core/events/Event.h b/third_party/WebKit/Source/core/events/Event.h
index ef7e89b1a34794c016f5f3f063bb1baf2e44912b..857dba88be80ddab6bdf642ebf7a3376298598b9 100644
--- a/third_party/WebKit/Source/core/events/Event.h
+++ b/third_party/WebKit/Source/core/events/Event.h
@@ -74,6 +74,11 @@ public:
         RailsModeVertical   = 2
     };
 
+    enum class ComposedMode {
+        Composed,
+        Scoped,
+    };
+
     static Event* create()
     {
         return new Event;
@@ -215,7 +220,9 @@ public:
 
 protected:
     Event();
+    Event(const AtomicString& type, bool canBubble, bool cancelable, ComposedMode, double platformTimeStamp);
     Event(const AtomicString& type, bool canBubble, bool cancelable, double platformTimeStamp);
+    Event(const AtomicString& type, bool canBubble, bool cancelable, ComposedMode);

[kochi, 2016/06/03 08:45:57]

How about adding the default value for the last argument and
merge with the following line?

i.e.
Event(const AtomicString& type, bool canBubble, bool cancelable, ComposedMode =
ComposedMode::Scoped);

[hayato, 2016/06/03 09:03:05]

Done

     Event(const AtomicString& type, bool canBubble, bool cancelable);
     Event(const AtomicString& type, const EventInit&);
 
@@ -224,7 +231,6 @@ protected:
     void setCanBubble(bool bubble) { m_canBubble = bubble; }
 
 private:
-    Event(const AtomicString& type, bool canBubble, bool cancelable, bool composed, double platformTimeStamp);
 
     enum EventPathMode {
         EmptyAfterDispatch,