Update some callers to use more direct ways of constructing IPAddress from well known literals.

net/tools/quic/end_to_end_test.cc

 // Copyright (c) 2012 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 <stddef.h>
 #include <sys/epoll.h>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 529 matching lines @@
 
 TEST_P(EndToEndTest, SimpleRequestResponseWithLargeReject) {
   chlo_multiplier_ = 1;
   ASSERT_TRUE(Initialize());
 
   EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
   EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
   EXPECT_EQ(3, client_->client()->GetNumSentClientHellos());
 }
 
-// TODO(rch): figure out how to detect missing v6 supprt (like on the linux
+// TODO(rch): figure out how to detect missing v6 support (like on the linux
 // try bots) and selectively disable this test.
 TEST_P(EndToEndTest, DISABLED_SimpleRequestResponsev6) {
-  IPAddress ip;
-  CHECK(ip.AssignFromIPLiteral("::1"));
-  server_address_ = IPEndPoint(ip, server_address_.port());
+  server_address_ =
+      IPEndPoint(IPAddress::IPv6Localhost(), server_address_.port());
   ASSERT_TRUE(Initialize());
 
   EXPECT_EQ(kFooResponseBody, client_->SendSynchronousRequest("/foo"));
   EXPECT_EQ(200u, client_->response_headers()->parsed_response_code());
 }
 
 TEST_P(EndToEndTest, SeparateFinPacket) {
   ASSERT_TRUE(Initialize());
 
   HTTPMessage request(HttpConstants::HTTP_1_1, HttpConstants::POST, "/foo");
@@ skipping 1800 matching lines @@
   // sending requests for them.
   EXPECT_EQ(1u, client_->num_requests());
   // Including response to original request, 12 responses in total were
   // recieved.
   EXPECT_EQ(12u, client_->num_responses());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net