void pauseWebView() {
   if (mReaderWebView != null) {
     mReaderWebView.hideCustomView();
     mReaderWebView.onPause();
   } else {
     AppLog.i(T.READER, "reader post detail > attempt to pause webView when null");
   }
 }
 void hideCustomView() {
   if (mReaderWebView != null) {
     mReaderWebView.hideCustomView();
   }
 }