Rename all existing custom element classes as V0

third_party/WebKit/Source/core/dom/custom/V0CustomElementMicrotaskQueueBase.h

Index: third_party/WebKit/Source/core/dom/custom/V0CustomElementMicrotaskQueueBase.h
diff --git a/third_party/WebKit/Source/core/dom/custom/V0CustomElementMicrotaskQueueBase.h b/third_party/WebKit/Source/core/dom/custom/V0CustomElementMicrotaskQueueBase.h
new file mode 100644
index 0000000000000000000000000000000000000000..0b77c630b96ae86f7f653176444c6bcf476a5802
--- /dev/null
+++ b/third_party/WebKit/Source/core/dom/custom/V0CustomElementMicrotaskQueueBase.h
@@ -0,0 +1,38 @@
+// 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 V0CustomElementMicrotaskQueueBase_h
+#define V0CustomElementMicrotaskQueueBase_h
+
+#include "core/dom/custom/V0CustomElementMicrotaskStep.h"
+#include "platform/heap/Handle.h"
+#include "wtf/Vector.h"
+
+namespace blink {
+
+class V0CustomElementMicrotaskQueueBase : public GarbageCollectedFinalized<V0CustomElementMicrotaskQueueBase> {
+    WTF_MAKE_NONCOPYABLE(V0CustomElementMicrotaskQueueBase);
+public:
+    virtual ~V0CustomElementMicrotaskQueueBase() { }
+
+    bool isEmpty() const { return m_queue.isEmpty(); }
+    void dispatch();
+
+    DECLARE_TRACE();
+
+#if !defined(NDEBUG)
+    void show(unsigned indent);
+#endif
+
+protected:
+    V0CustomElementMicrotaskQueueBase() : m_inDispatch(false) { }
+    virtual void doDispatch() = 0;
+
+    HeapVector<Member<V0CustomElementMicrotaskStep>> m_queue;
+    bool m_inDispatch;
+};
+
+} // namespace blink
+
+#endif // V0CustomElementMicrotaskQueueBase_h