Rename all existing custom element classes as V0

third_party/WebKit/Source/core/dom/custom/CustomElementMicrotaskRunQueue.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 CustomElementMicrotaskRunQueue_h
-#define CustomElementMicrotaskRunQueue_h
-
-#include "platform/heap/Handle.h"
-
-namespace blink {
-
-class CustomElementSyncMicrotaskQueue;
-class CustomElementAsyncImportMicrotaskQueue;
-class CustomElementMicrotaskStep;
-class HTMLImportLoader;
-
-class CustomElementMicrotaskRunQueue : public GarbageCollected<CustomElementMicrotaskRunQueue> {
-public:
-    static CustomElementMicrotaskRunQueue* create()
-    {
-        return new CustomElementMicrotaskRunQueue;
-    }
-
-    void enqueue(HTMLImportLoader* parentLoader, CustomElementMicrotaskStep*, bool importIsSync);
-    void requestDispatchIfNeeded();
-    bool isEmpty() const;
-
-    DECLARE_TRACE();
-
-private:
-    CustomElementMicrotaskRunQueue();
-
-    void dispatch();
-
-    Member<CustomElementSyncMicrotaskQueue> m_syncQueue;
-    Member<CustomElementAsyncImportMicrotaskQueue> m_asyncQueue;
-    bool m_dispatchIsPending;
-};
-
-} // namespace blink
-
-#endif // CustomElementMicrotaskRunQueue_h