Cleanup: Better constify some strings in chrome/browser/{chromeos,extensions}.

chrome/browser/extensions/extension_util.cc

 // Copyright 2013 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 "chrome/browser/extensions/extension_util.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 26 matching lines @@
 namespace {
 
 // The entry into the ExtensionPrefs for allowing an extension to script on
 // all urls without explicit permission.
 const char kExtensionAllowedOnAllUrlsPrefName[] =
     "extension_can_script_all_urls";
 
 // Returns true if |extension_id| for an external component extension should
 // always be enabled in incognito windows.
 bool IsWhitelistedForIncognito(const std::string& extension_id) {
-  static const char* kExtensionWhitelist[] = {
+  static const char* const kExtensionWhitelist[] = {
     "D5736E4B5CF695CB93A2FB57E4FDC6E5AFAB6FE2",  // http://crbug.com/312900
     "D57DE394F36DC1C3220E7604C575D29C51A6C495",  // http://crbug.com/319444
     "3F65507A3B39259B38C8173C6FFA3D12DF64CCE9"   // http://crbug.com/371562
   };
 
   return extensions::SimpleFeature::IsIdInList(
       extension_id,
       std::set<std::string>(
           kExtensionWhitelist,
           kExtensionWhitelist + arraysize(kExtensionWhitelist)));
@@ skipping 304 matching lines @@
       IDR_EXTENSION_DEFAULT_ICON);
 }
 
 bool IsStreamlinedHostedAppsEnabled() {
   return CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableStreamlinedHostedApps);
 }
 
 }  // namespace util
 }  // namespace extensions