changes for proxy audio

webkit/glue/plugins/pepper_plugin_delegate.h

Index: webkit/glue/plugins/pepper_plugin_delegate.h
===================================================================
--- webkit/glue/plugins/pepper_plugin_delegate.h	(revision 66651)
+++ webkit/glue/plugins/pepper_plugin_delegate.h	(working copy)
@@ -130,8 +130,6 @@
                                  base::SyncSocket::Handle socket) = 0;
     };
 
-    virtual ~PlatformAudio() {}
-
     // Starts the playback. Returns false on error or if called before the
     // stream is created or after the stream is closed.
     virtual bool StartPlayback() = 0;
@@ -143,6 +141,9 @@
     // Closes the stream. Make sure to call this before the object is
     // destructed.
     virtual void ShutDown() = 0;
+
+   protected:
+    virtual ~PlatformAudio() {}
   };
 
   class PlatformVideoDecoder {