Break path whereby AssociatedURLLoader::~AssociatedURLLoader() is re-entered on top of itself.

BUG=159429

Review URL: https://chromiumcodereview.appspot.com/11359222

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@168150 0039d316-1c4b-4281-b951-d872f2087c98
void PPB_URLLoader_Impl::SaveResponse(const WebURLResponse& response) {
  scoped_refptr<PPB_URLResponseInfo_Impl> response_info(
      new PPB_URLResponseInfo_Impl(pp_instance()));
  if (response_info->Initialize(response))
    response_info_ = response_info;
}

void PPB_URLLoader_Impl::SaveResponse(const WebURLResponse& response) {
  scoped_refptr<PPB_URLResponseInfo_Impl> response_info(
      new PPB_URLResponseInfo_Impl(pp_instance()));
  if (response_info->Initialize(response))
    response_info_ = response_info;
}
