Hollow out more of the tracing system in oilpan

sky/engine/bindings/core/v8/ScriptPromiseProperty.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ScriptPromiseProperty_h
 #define ScriptPromiseProperty_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromisePropertyBase.h"
 #include "bindings/core/v8/V8Binding.h"
@@ skipping 50 matching lines @@
 
     template<typename PassRejectedType>
     void reject(PassRejectedType);
 
     // Resets this property by unregistering the Promise property from the
     // holder wrapper. Resets the internal state to Pending and clears the
     // resolved and the rejected values.
     // This method keeps the holder object and the property name.
     void reset();
 
-    virtual void trace(Visitor*) override;
-
 private:
     virtual v8::Handle<v8::Object> holder(v8::Handle<v8::Object> creationContext, v8::Isolate*) override;
     virtual v8::Handle<v8::Value> resolvedValue(v8::Handle<v8::Object> creationContext, v8::Isolate*) override;
     virtual v8::Handle<v8::Value> rejectedValue(v8::Handle<v8::Object> creationContext, v8::Isolate*) override;
 
     HolderType m_holder;
     ResolvedType m_resolved;
     RejectedType m_rejected;
 };
 
@@ skipping 55 matching lines @@
 }
 
 template<typename HolderType, typename ResolvedType, typename RejectedType>
 void ScriptPromiseProperty<HolderType, ResolvedType, RejectedType>::reset()
 {
     resetBase();
     m_resolved = ResolvedType();
     m_rejected = RejectedType();
 }
 
-template<typename HolderType, typename ResolvedType, typename RejectedType>
-void ScriptPromiseProperty<HolderType, ResolvedType, RejectedType>::trace(Visitor* visitor)
-{
-    TraceIfNeeded<HolderType>::trace(visitor, &m_holder);
-    TraceIfNeeded<ResolvedType>::trace(visitor, &m_resolved);
-    TraceIfNeeded<RejectedType>::trace(visitor, &m_rejected);
-    ScriptPromisePropertyBase::trace(visitor);
-}
-
 } // namespace blink
 
 #endif // ScriptPromiseProperty_h