Custom Elements: Encapsulates Async and Sync Queues into one class.

Source/core/dom/custom/CustomElementMicrotaskQueueBase.h

Index: Source/core/dom/custom/CustomElementMicrotaskQueueBase.h
diff --git a/Source/core/dom/custom/CustomElementMicrotaskQueue.h b/Source/core/dom/custom/CustomElementMicrotaskQueueBase.h
similarity index 83%
copy from Source/core/dom/custom/CustomElementMicrotaskQueue.h
copy to Source/core/dom/custom/CustomElementMicrotaskQueueBase.h
index cda3cab39336cb483ad583c999fc985fcd6980bb..760000ae83284c1061fff06652c9a2e1d87474ee 100644
--- a/Source/core/dom/custom/CustomElementMicrotaskQueue.h
+++ b/Source/core/dom/custom/CustomElementMicrotaskQueueBase.h
@@ -28,8 +28,8 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef CustomElementMicrotaskQueue_h
-#define CustomElementMicrotaskQueue_h
+#ifndef CustomElementMicrotaskQueueBase_h
+#define CustomElementMicrotaskQueueBase_h
 
 #include "core/dom/custom/CustomElementMicrotaskStep.h"
 #include "platform/heap/Handle.h"
@@ -63,17 +63,6 @@ protected:
     WillBeHeapVector<OwnPtrWillBeMember<CustomElementMicrotaskStep> > m_queue;
 };
 
-class CustomElementMicrotaskQueue : public CustomElementMicrotaskQueueBase {
-public:
-    static PassRefPtrWillBeRawPtr<CustomElementMicrotaskQueue> create() { return adoptRefWillBeNoop(new CustomElementMicrotaskQueue()); }
-
-    void enqueue(PassOwnPtrWillBeRawPtr<CustomElementMicrotaskStep>);
-
-private:
-    CustomElementMicrotaskQueue() { }
-    virtual void doDispatch();
-};
-
 }
 
-#endif // CustomElementMicrotaskQueue_h
+#endif // CustomElementMicrotaskQueueBase_h