Remove tons of OILPAN.

sky/engine/core/inspector/ScriptAsyncCallStack.cpp

 // 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.
 
 #include "config.h"
 #include "core/inspector/ScriptAsyncCallStack.h"
 
 namespace blink {
 
 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(ScriptAsyncCallStack);
 
 PassRefPtr<ScriptAsyncCallStack> ScriptAsyncCallStack::create(const String& description, PassRefPtr<ScriptCallStack> callStack, PassRefPtr<ScriptAsyncCallStack> asyncStackTrace)
 {
     return adoptRef(new ScriptAsyncCallStack(description, callStack, asyncStackTrace));
 }
 
 ScriptAsyncCallStack::ScriptAsyncCallStack(const String& description, PassRefPtr<ScriptCallStack> callStack, PassRefPtr<ScriptAsyncCallStack> asyncStackTrace)
     : m_description(description)
     , m_callStack(callStack)
     , m_asyncStackTrace(asyncStackTrace)
 {
     ASSERT(m_callStack);
 }
 
-void ScriptAsyncCallStack::trace(Visitor* visitor)
-{
-    visitor->trace(m_callStack);
-    visitor->trace(m_asyncStackTrace);
-}
-
 } // namespace blink