Implement nextHopProtocol in PerformanceResourceTiming and PerformanceNavigationTiming.

content/child/web_url_loader_impl.cc

Index: content/child/web_url_loader_impl.cc
diff --git a/content/child/web_url_loader_impl.cc b/content/child/web_url_loader_impl.cc
index e19bf5fc051e969decc0b37214975d882662f0a3..0f5bc85986452fb726cc7c57ac93f38335df47c0 100644
--- a/content/child/web_url_loader_impl.cc
+++ b/content/child/web_url_loader_impl.cc
@@ -1055,6 +1055,8 @@ void WebURLLoaderImpl::PopulateURLResponse(const GURL& url,
   WebURLResponseExtraDataImpl* extra_data =
       new WebURLResponseExtraDataImpl(info.alpn_negotiated_protocol);
   response->setExtraData(extra_data);
+  response->setALPNNegotiatedProtocol(

[panicker, 2016/10/19 00:25:11]

move this before setting of extra data (line 1052 above)

[sunjian, 2016/10/21 00:19:50]

Done.

+      WebString::fromUTF8(info.alpn_negotiated_protocol));
   extra_data->set_was_fetched_via_spdy(info.was_fetched_via_spdy);
   extra_data->set_was_alpn_negotiated(info.was_alpn_negotiated);
   extra_data->set_was_alternate_protocol_available(