Update from https://crrev.com/305340

net/websockets/websocket_handshake_challenge_test.cc

+// Copyright 2014 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 "net/websockets/websocket_handshake_challenge.h"
+
+#include <string>
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace net {
+
+namespace {
+
+// Test the example challenge from the RFC6455.
+TEST(WebSocketHandshakeChallengeTest, RFC6455) {
+  const std::string key = "dGhlIHNhbXBsZSBub25jZQ==";
+  std::string accept = ComputeSecWebSocketAccept(key);
+  EXPECT_EQ("s3pPLMBiTxaQ9kYGzzhZRbK+xOo=", accept);
+}
+
+}  // namespace
+
+}  // namespace net