Cleanup: Better constify some strings in base.

base/sys_info_chromeos.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/sys_info.h"
 
 #include "base/basictypes.h"
 #include "base/environment.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_tokenizer.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_restrictions.h"
 
 namespace base {
 
 namespace {
 
-const char* kLinuxStandardBaseVersionKeys[] = {
+const char* const kLinuxStandardBaseVersionKeys[] = {
   "CHROMEOS_RELEASE_VERSION",
   "GOOGLE_RELEASE",
   "DISTRIB_RELEASE",
 };
 
 const char kChromeOsReleaseNameKey[] = "CHROMEOS_RELEASE_NAME";
 
 const char* const kChromeOsReleaseNames[] = {
   "Chrome OS",
   "Chromium OS",
@@ skipping 175 matching lines @@
 void SysInfo::SetChromeOSVersionInfoForTest(const std::string& lsb_release,
                                             const Time& lsb_release_time) {
   scoped_ptr<Environment> env(Environment::Create());
   env->SetVar(kLsbReleaseKey, lsb_release);
   env->SetVar(kLsbReleaseTimeKey,
               DoubleToString(lsb_release_time.ToDoubleT()));
   g_chrome_os_version_info.Get().Parse();
 }
 
 }  // namespace base