Convert plugin and GPU process to brokered handle duplication.

BUG=119250
Review URL: https://chromiumcodereview.appspot.com/9958034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@132303 0039d316-1c4b-4281-b951-d872f2087c98
void WebPluginDelegateProxy::OnURLRedirectResponse(bool allow,
                                                   int resource_id) {
  if (!plugin_)
    return;

  plugin_->URLRedirectResponse(allow, resource_id);
}

void WebPluginDelegateProxy::OnURLRedirectResponse(bool allow,
                                                   int resource_id) {
  if (!plugin_)
    return;

  plugin_->URLRedirectResponse(allow, resource_id);
}
