Refactoring: Add Event::createBubble.

Source/core/dom/Node.cpp

Index: Source/core/dom/Node.cpp
diff --git a/Source/core/dom/Node.cpp b/Source/core/dom/Node.cpp
index d5389ef6084a8067ceea21ee4c5c9c69012ded94..75e593c85d50ed048bcf4b588367a3784b7016b6 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -2478,12 +2478,12 @@ bool Node::dispatchWheelEvent(const PlatformWheelEvent& event)
 
 void Node::dispatchChangeEvent()
 {
-    dispatchScopedEvent(Event::create(eventNames().changeEvent, true, false));
+    dispatchScopedEvent(Event::createBubble(eventNames().changeEvent));
 }
 
 void Node::dispatchInputEvent()
 {
-    dispatchScopedEvent(Event::create(eventNames().inputEvent, true, false));
+    dispatchScopedEvent(Event::createBubble(eventNames().inputEvent));
 }
 
 void Node::defaultEventHandler(Event* event)