Drop document.createEvent support for things still behind a flag

third_party/WebKit/Source/core/events/RelatedEvent.cpp

Index: third_party/WebKit/Source/core/events/RelatedEvent.cpp
diff --git a/third_party/WebKit/Source/core/events/RelatedEvent.cpp b/third_party/WebKit/Source/core/events/RelatedEvent.cpp
index a214507c5cf7bc8dec5f4d1619bc4c823ce17f9b..549de548eb69df9fad201326ef165985e2d27184 100644
--- a/third_party/WebKit/Source/core/events/RelatedEvent.cpp
+++ b/third_party/WebKit/Source/core/events/RelatedEvent.cpp
@@ -10,11 +10,6 @@ RelatedEvent::~RelatedEvent()
 {
 }
 
-RelatedEvent* RelatedEvent::create()
-{
-    return new RelatedEvent;
-}
-
 RelatedEvent* RelatedEvent::create(const AtomicString& type, bool canBubble, bool cancelable, EventTarget* relatedTarget)
 {
     return new RelatedEvent(type, canBubble, cancelable, relatedTarget);
@@ -25,10 +20,6 @@ RelatedEvent* RelatedEvent::create(const AtomicString& type, const RelatedEventI
     return new RelatedEvent(type, initializer);
 }
 
-RelatedEvent::RelatedEvent()
-{
-}
-
 RelatedEvent::RelatedEvent(const AtomicString& type, bool canBubble, bool cancelable, EventTarget* relatedTarget)
     : Event(type, canBubble, cancelable)
     , m_relatedTarget(relatedTarget)