mHandler->HandleLinkClickEvent(mContent, mVerb, mURLSpec->get(), mTargetSpec->get(), mPostDataStream, mHeadersDataStream);
mHandler->OnLinkClickSync(mContent, mVerb, mURLSpec.get(), mTargetSpec.get(), mPostDataStream, mHeadersDataStream, nsnull, nsnull);
  void HandleEvent() {    mHandler->HandleLinkClickEvent(mContent, mVerb, mURLSpec->get(),                                   mTargetSpec->get(), mPostDataStream,                                   mHeadersDataStream);  }