Use correct IntToString variants in //chrome

chrome/browser/extensions/extension_messages_apitest.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 "base/base64.h"
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 260 matching lines @@
   std::string GetTlsChannelIdFromSendMessage(const Extension* extension,
                                              bool include_tls_channel_id,
                                              const char* message = NULL) {
     return GetTlsChannelIdFromAssertion("getTlsChannelIdFromSendMessage",
                                         extension,
                                         include_tls_channel_id,
                                         message);
   }
 
   GURL GetURLForPath(const std::string& host, const std::string& path) {
-    std::string port = base::IntToString(embedded_test_server()->port());
+    std::string port = base::UintToString(embedded_test_server()->port());
     GURL::Replacements replacements;
     replacements.SetHostStr(host);
     replacements.SetPortStr(port);
     return embedded_test_server()->GetURL(path).ReplaceComponents(replacements);
   }
 
   GURL chromium_org_url() {
     return GetURLForPath("www.chromium.org", "/chromium.org.html");
   }
 
@@ skipping 900 matching lines @@
   ui_test_utils::NavigateToURL(browser(), chromium_org_url());
   EXPECT_EQ(COULD_NOT_ESTABLISH_CONNECTION_ERROR,
             CanConnectAndSendMessagesToMainFrame(invalid.get()));
 }
 
 #endif  // !defined(OS_WIN) - http://crbug.com/350517.
 
 }  // namespace
 
 };  // namespace extensions