Update from https://crrev.com/305340

net/test/embedded_test_server/embedded_test_server_unittest.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 "net/test/embedded_test_server/embedded_test_server.h"
 
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread.h"
 #include "net/http/http_response_headers.h"
@@ skipping 94 matching lines @@
  protected:
   int num_responses_received_;
   int num_responses_expected_;
   std::string request_relative_url_;
   base::Thread io_thread_;
   scoped_refptr<TestURLRequestContextGetter> request_context_getter_;
   scoped_ptr<EmbeddedTestServer> server_;
 };
 
 TEST_F(EmbeddedTestServerTest, GetBaseURL) {
-  EXPECT_EQ(base::StringPrintf("http://127.0.0.1:%d/", server_->port()),
+  EXPECT_EQ(base::StringPrintf("http://127.0.0.1:%u/", server_->port()),
                                server_->base_url().spec());
 }
 
 TEST_F(EmbeddedTestServerTest, GetURL) {
-  EXPECT_EQ(base::StringPrintf("http://127.0.0.1:%d/path?query=foo",
+  EXPECT_EQ(base::StringPrintf("http://127.0.0.1:%u/path?query=foo",
                                server_->port()),
             server_->GetURL("/path?query=foo").spec());
 }
 
 TEST_F(EmbeddedTestServerTest, GetURLWithHostname) {
   EXPECT_EQ(base::StringPrintf("http://foo.com:%d/path?query=foo",
                                server_->port()),
             server_->GetURL("foo.com", "/path?query=foo").spec());
 }
 
@@ skipping 196 matching lines @@
   ASSERT_TRUE(base::PlatformThread::Create(0, &delegate, &thread_handle));
   base::PlatformThread::Join(thread_handle);
 }
 
 INSTANTIATE_TEST_CASE_P(EmbeddedTestServerThreadingTestInstantiation,
                         EmbeddedTestServerThreadingTest,
                         testing::Combine(testing::Bool(), testing::Bool()));
 
 }  // namespace test_server
 }  // namespace net