[DevTools] Fix to double wrapping IPv6 in square brackets

components/test_runner/web_test_proxy.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 "components/test_runner/web_test_proxy.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <cctype>
@@ skipping 182 matching lines @@
     default:
       return "Unresolved";
   }
 }
 
 void BlockRequest(blink::WebURLRequest& request) {
   request.setURL(GURL("255.255.255.255"));
 }
 
 bool IsLocalHost(const std::string& host) {
-  return host == "127.0.0.1" || host == "localhost";
+  return host == "127.0.0.1" || host == "localhost" || host == "[::1]";
 }
 
 bool IsTestHost(const std::string& host) {
   return base::EndsWith(host, ".test", base::CompareCase::INSENSITIVE_ASCII);
 }
 
 bool HostIsUsedBySomeTestsToGenerateError(const std::string& host) {
   return host == "255.255.255.255";
 }
 
@@ skipping 1082 matching lines @@
     callback->onError(blink::WebSetSinkIdError::NotAuthorized);
   else
     callback->onError(blink::WebSetSinkIdError::NotFound);
 }
 
 blink::WebString WebTestProxyBase::acceptLanguages() {
   return blink::WebString::fromUTF8(accept_languages_);
 }
 
 }  // namespace test_runner