Oilpan: make custom element microtask dispatching lazy sweep savvy.

Source/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 "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_weakFactory(this)
     , m_syncQueue(CustomElementSyncMicrotaskQueue::create())
     , m_asyncQueue(CustomElementAsyncImportMicrotaskQueue::create())
     , m_dispatchIsPending(false)
 {
@@ skipping 42 matching lines @@
     if (m_syncQueue->isEmpty())
         m_asyncQueue->dispatch();
 }
 
 bool CustomElementMicrotaskRunQueue::isEmpty() const
 {
     return m_syncQueue->isEmpty() && m_asyncQueue->isEmpty();
 }
 
 } // namespace blink