Rename all existing custom element classes as V0

third_party/WebKit/Source/core/dom/custom/V0CustomElementMicrotaskDispatcher.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 CustomElementMicrotaskDispatcher_h
-#define CustomElementMicrotaskDispatcher_h
+#ifndef V0CustomElementMicrotaskDispatcher_h
+#define V0CustomElementMicrotaskDispatcher_h
 
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
-class CustomElementCallbackQueue;
+class V0CustomElementCallbackQueue;
 
-class CustomElementMicrotaskDispatcher final : public GarbageCollected<CustomElementMicrotaskDispatcher> {
-    WTF_MAKE_NONCOPYABLE(CustomElementMicrotaskDispatcher);
+class V0CustomElementMicrotaskDispatcher final : public GarbageCollected<V0CustomElementMicrotaskDispatcher> {
+    WTF_MAKE_NONCOPYABLE(V0CustomElementMicrotaskDispatcher);
 public:
-    static CustomElementMicrotaskDispatcher& instance();
+    static V0CustomElementMicrotaskDispatcher& instance();
 
-    void enqueue(CustomElementCallbackQueue*);
+    void enqueue(V0CustomElementCallbackQueue*);
 
     bool elementQueueIsEmpty() { return m_elements.isEmpty(); }
 
     DECLARE_TRACE();
 
 private:
-    CustomElementMicrotaskDispatcher();
+    V0CustomElementMicrotaskDispatcher();
 
     void ensureMicrotaskScheduledForElementQueue();
     void ensureMicrotaskScheduled();
 
     static void dispatch();
     void doDispatch();
 
     bool m_hasScheduledMicrotask;
     enum {
         Quiescent,
         Resolving,
         DispatchingCallbacks
     } m_phase;
 
-    HeapVector<Member<CustomElementCallbackQueue>> m_elements;
+    HeapVector<Member<V0CustomElementCallbackQueue>> m_elements;
 };
 
 } // namespace blink
 
-#endif // CustomElementMicrotaskDispatcher_h
+#endif // V0CustomElementMicrotaskDispatcher_h