Use isFinishedParsingChildren() in HTMLMediaElement

Source/core/html/HTMLAudioElement.h

Index: Source/core/html/HTMLAudioElement.h
diff --git a/Source/core/html/HTMLAudioElement.h b/Source/core/html/HTMLAudioElement.h
index c69a30576300d2e8a4e4c75cff5acc9caa10560a..d05c9071522b594ff1d6ce98fc7ac9a5804112f9 100644
--- a/Source/core/html/HTMLAudioElement.h
+++ b/Source/core/html/HTMLAudioElement.h
@@ -35,11 +35,11 @@ class Document;
 
 class HTMLAudioElement FINAL : public HTMLMediaElement {
 public:
-    static PassRefPtr<HTMLAudioElement> create(Document&, bool);
+    static PassRefPtr<HTMLAudioElement> create(Document&);
     static PassRefPtr<HTMLAudioElement> createForJSConstructor(Document&, const AtomicString& src);
 
 private:
-    HTMLAudioElement(Document&, bool);
+    HTMLAudioElement(Document&);
 
     virtual bool isVideo() const OVERRIDE { return false; }
 };