/** This method is called by WebCore to check whether application wants to hijack url loading */
 public boolean handleUrl(String url) {
   if (mLoadInitFromJava == true) {
     return false;
   }
   if (mCallbackProxy.shouldOverrideUrlLoading(url)) {
     // if the url is hijacked, reset the state of the BrowserFrame
     didFirstLayout();
     return true;
   } else {
     return false;
   }
 }