Chromium cronet patch to support IEFT QUIC draft-24 in iOS

chromium-patch-ios.diff

diff --git a/components/cronet/url_request_context_config.cc b/components/cronet/url_request_context_config.cc
index 317c0b4126..f839485599 100644
--- a/components/cronet/url_request_context_config.cc
+++ b/components/cronet/url_request_context_config.cc
@@ -218,8 +218,11 @@ quic::ParsedQuicVersionVector ParseQuicVersions(
     auto it = all_supported_versions.begin();
     while (it != all_supported_versions.end()) {
       if (quic::QuicVersionToString(*it) == version) {
+        quic::HandshakeProtocol handshake_protocol = quic::PROTOCOL_QUIC_CRYPTO;
+        if (*it == quic::QUIC_VERSION_99)
+          handshake_protocol = quic::PROTOCOL_TLS1_3;
         supported_versions.push_back(
-            quic::ParsedQuicVersion(quic::PROTOCOL_QUIC_CRYPTO, *it));
+            quic::ParsedQuicVersion(handshake_protocol, *it));
         // Remove the supported version to deduplicate versions extracted from
         // |quic_versions|.
         all_supported_versions.erase(it);