Make WebMediaPlayerClient inheritance private in HTMLMediaElement

Source/core/loader/FrameLoaderClient.h

Index: Source/core/loader/FrameLoaderClient.h
diff --git a/Source/core/loader/FrameLoaderClient.h b/Source/core/loader/FrameLoaderClient.h
index 4e5b4020e14ca5fbab9bf967ccd64342ba3f4f46..d214a235866956faf74b684248a0b3253be2b409 100644
--- a/Source/core/loader/FrameLoaderClient.h
+++ b/Source/core/loader/FrameLoaderClient.h
@@ -66,8 +66,9 @@ namespace blink {
     class SubstituteData;
     class WebApplicationCacheHost;
     class WebApplicationCacheHostClient;
-    class WebMediaPlayer;
     class WebCookieJar;
+    class WebMediaPlayer;
+    class WebMediaPlayerClient;
     class WebRTCPeerConnectionHandler;
     class WebServiceWorkerProvider;
     class WebSocketHandle;
@@ -158,7 +159,7 @@ namespace blink {
 
         virtual PassRefPtrWillBeRawPtr<Widget> createJavaAppletWidget(HTMLAppletElement*, const KURL& baseURL, const Vector<String>& paramNames, const Vector<String>& paramValues) = 0;
 
-        virtual PassOwnPtr<WebMediaPlayer> createWebMediaPlayer(HTMLMediaElement*, const WebURL&) = 0;
+        virtual PassOwnPtr<WebMediaPlayer> createWebMediaPlayer(HTMLMediaElement&, const WebURL&, WebMediaPlayerClient*) = 0;
 
         virtual ObjectContentType objectContentType(const KURL&, const String& mimeType, bool shouldPreferPlugInsForImages) = 0;