Remove various Heap* types.

sky/engine/core/frame/LocalDOMWindow.cpp

Index: sky/engine/core/frame/LocalDOMWindow.cpp
diff --git a/sky/engine/core/frame/LocalDOMWindow.cpp b/sky/engine/core/frame/LocalDOMWindow.cpp
index 3ca9d107a62cc8f614f090e4988ca56afd91e3e5..b2f6c0c3f047aaa8914c76a877d846ffaae0c31a 100644
--- a/sky/engine/core/frame/LocalDOMWindow.cpp
+++ b/sky/engine/core/frame/LocalDOMWindow.cpp
@@ -816,19 +816,4 @@ PassOwnPtr<LifecycleNotifier<LocalDOMWindow> > LocalDOMWindow::createLifecycleNo
     return DOMWindowLifecycleNotifier::create(this);
 }
 
-void LocalDOMWindow::trace(Visitor* visitor)
-{
-    visitor->trace(m_document);
-    visitor->trace(m_screen);
-    visitor->trace(m_history);
-    visitor->trace(m_console);
-    visitor->trace(m_location);
-    visitor->trace(m_media);
-    visitor->trace(m_css);
-    visitor->trace(m_eventQueue);
-    Supplementable<LocalDOMWindow>::trace(visitor);
-    EventTargetWithInlineData::trace(visitor);
-    LifecycleContext<LocalDOMWindow>::trace(visitor);
-}
-
 } // namespace blink