Remove more oilpan.

sky/engine/core/dom/custom/CustomElementMicrotaskRunQueue.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/dom/custom/CustomElementMicrotaskRunQueue.h"
 
 #include "base/bind.h"
 #include "core/dom/Microtask.h"
 #include "core/dom/custom/CustomElementAsyncImportMicrotaskQueue.h"
 #include "core/dom/custom/CustomElementSyncMicrotaskQueue.h"
 #include "core/html/imports/HTMLImportLoader.h"
 
 #include <stdio.h>
 
 namespace blink {
 
-DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(CustomElementMicrotaskRunQueue)
-
 CustomElementMicrotaskRunQueue::CustomElementMicrotaskRunQueue()
     : m_syncQueue(CustomElementSyncMicrotaskQueue::create())
     , m_asyncQueue(CustomElementAsyncImportMicrotaskQueue::create())
     , m_dispatchIsPending(false)
     , m_weakFactory(this)
 {
 }
 
+CustomElementMicrotaskRunQueue::~CustomElementMicrotaskRunQueue()
+{
+}
+
 void CustomElementMicrotaskRunQueue::enqueue(HTMLImportLoader* parentLoader, PassOwnPtr<CustomElementMicrotaskStep> step, bool importIsSync)
 {
     if (importIsSync) {
         if (parentLoader)
             parentLoader->microtaskQueue()->enqueue(step);
         else
             m_syncQueue->enqueue(step);
     } else {
         m_asyncQueue->enqueue(step);
     }
 
     requestDispatchIfNeeded();
 }
 
 void CustomElementMicrotaskRunQueue::requestDispatchIfNeeded()
 {
     if (m_dispatchIsPending || isEmpty())
         return;
     Microtask::enqueueMicrotask(base::Bind(&CustomElementMicrotaskRunQueue::dispatch, m_weakFactory.GetWeakPtr()));
     m_dispatchIsPending = true;
 }
 
-void CustomElementMicrotaskRunQueue::trace(Visitor* visitor)
-{
-    visitor->trace(m_syncQueue);
-    visitor->trace(m_asyncQueue);
-}
-
 void CustomElementMicrotaskRunQueue::dispatch()
 {
     m_dispatchIsPending = false;
     m_syncQueue->dispatch();
     if (m_syncQueue->isEmpty())
         m_asyncQueue->dispatch();
 }
 
 bool CustomElementMicrotaskRunQueue::isEmpty() const
 {
     return m_syncQueue->isEmpty() && m_asyncQueue->isEmpty();
 }
 
 } // namespace blink