Implement nextHopProtocol in PerformanceResourceTiming and PerformanceNavigationTiming.

third_party/WebKit/Source/core/timing/PerformanceResourceTimingTest.cpp

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "core/timing/PerformanceResourceTiming.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+class PerformanceResourceTimingTest : public ::testing::Test {
+ protected:
+  AtomicString GetNextHopProtocol(const AtomicString& alpn_negotiated_protocol,
+                                  const AtomicString& connection_info) {
+    return PerformanceResourceTiming::GetNextHopProtocol(
+        alpn_negotiated_protocol, connection_info);
+  }
+};
+
+TEST_F(PerformanceResourceTimingTest,
+       TestFallbackToConnectionInfoWhenALPNUnknown) {
+  AtomicString connection_info = "http/1.1";
+  AtomicString alpn_negotiated_protocol = "unknown";
+  EXPECT_EQ(GetNextHopProtocol(alpn_negotiated_protocol, connection_info),
+            connection_info);
+}
+
+TEST_F(PerformanceResourceTimingTest,
+       TestFallbackToHTTPInfoWhenALPNAndConnectionInfoUnknown) {
+  AtomicString connection_info = "unknown";
+  AtomicString alpn_negotiated_protocol = "unknown";
+  EXPECT_EQ(GetNextHopProtocol(alpn_negotiated_protocol, connection_info),
+            "http/1.1");
+}
+
+TEST_F(PerformanceResourceTimingTest, TestFallbackToHQWhenContainsQuic) {
+  AtomicString connection_info = "http/1.1";
+  AtomicString alpn_negotiated_protocol = "quic/1spdy/3";
+  EXPECT_EQ(GetNextHopProtocol(alpn_negotiated_protocol, connection_info),
+            "hq");
+}
+
+TEST_F(PerformanceResourceTimingTest, TestNoChangeWhenOtherwise) {
+  AtomicString connection_info = "http/1.1";
+  AtomicString alpn_negotiated_protocol = "RandomProtocol";
+  EXPECT_EQ(GetNextHopProtocol(alpn_negotiated_protocol, connection_info),
+            alpn_negotiated_protocol);
+}
+}