Reduce repetitive EventTarget subclassing

Source/core/workers/WorkerGlobalScope.cpp

Index: Source/core/workers/WorkerGlobalScope.cpp
diff --git a/Source/core/workers/WorkerGlobalScope.cpp b/Source/core/workers/WorkerGlobalScope.cpp
index 006435656d3d991f45290b05473b43ce73af51c5..e4bf0eb2776f6155ac6a51241ddddd79ccf8db63 100644
--- a/Source/core/workers/WorkerGlobalScope.cpp
+++ b/Source/core/workers/WorkerGlobalScope.cpp
@@ -264,16 +264,6 @@ bool WorkerGlobalScope::isJSExecutionForbidden() const
     return m_script->isExecutionForbidden();
 }
 
-EventTargetData* WorkerGlobalScope::eventTargetData()
-{
-    return &m_eventTargetData;
-}
-
-EventTargetData* WorkerGlobalScope::ensureEventTargetData()
-{
-    return &m_eventTargetData;
-}
-
 WorkerGlobalScope::Observer::Observer(WorkerGlobalScope* context)
     : m_context(context)
 {