Change old code from "unloadListnerChanged" model to new WebKit EnableSuddenT...

webkit/glue/webview_delegate.h

Index: webkit/glue/webview_delegate.h
===================================================================
--- webkit/glue/webview_delegate.h	(revision 5111)
+++ webkit/glue/webview_delegate.h	(working copy)
@@ -454,10 +454,12 @@
                                        const AutofillForm& form) {
   }
 
-  //
-  virtual void OnUnloadListenerChanged(WebView* webview, WebFrame* webframe) {
+  virtual void EnableSuddenTermination() {
   }
 
+  virtual void DisableSuddenTermination() {
+  }
+
   // Queries the browser for suggestions to be shown for the form text field
   // named |field_name|.  |text| is the text entered by the user so far and
   // |node_id| is the id of the node of the input field.