Correct const accessors in base/values.(h|cc)

chrome/installer/util/google_chrome_distribution.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.
 //
 // This file defines specific implementation of BrowserDistribution class for
 // Google Chrome.
 
 #include "chrome/installer/util/google_chrome_distribution.h"
 
 #include <vector>
@@ skipping 280 matching lines @@
 
 GoogleChromeDistribution::GoogleChromeDistribution()
     : BrowserDistribution(CHROME_BROWSER),
       product_guid_(kChromeGuid) {
 }
 
 // The functions below are not used by the 64-bit Windows binary -
 // see the comment in google_chrome_distribution_dummy.cc
 #ifndef _WIN64
 bool GoogleChromeDistribution::BuildUninstallMetricsString(
-    DictionaryValue* uninstall_metrics_dict, string16* metrics) {
+    const DictionaryValue* uninstall_metrics_dict, string16* metrics) {
   DCHECK(NULL != metrics);
   bool has_values = false;
 
   for (DictionaryValue::key_iterator iter(uninstall_metrics_dict->begin_keys());
        iter != uninstall_metrics_dict->end_keys(); ++iter) {
     has_values = true;
     metrics->append(L"&");
     metrics->append(UTF8ToWide(*iter));
     metrics->append(L"=");
 
@@ skipping 28 matching lines @@
     string16* uninstall_metrics_string) {
   // Make sure that the user wants us reporting metrics. If not, don't
   // add our uninstall metrics.
   bool metrics_reporting_enabled = false;
   if (!root.GetBoolean(prefs::kMetricsReportingEnabled,
                        &metrics_reporting_enabled) ||
       !metrics_reporting_enabled) {
     return false;
   }
 
-  DictionaryValue* uninstall_metrics_dict;
+  const DictionaryValue* uninstall_metrics_dict;
   if (!root.HasKey(installer::kUninstallMetricsName) ||
       !root.GetDictionary(installer::kUninstallMetricsName,
                           &uninstall_metrics_dict)) {
     return false;
   }
 
   if (!BuildUninstallMetricsString(uninstall_metrics_dict,
                                    uninstall_metrics_string)) {
     return false;
   }
@@ skipping 501 matching lines @@
   // we waited for chrome to exit so the uninstall would not detect chrome
   // running.
   bool system_level_toast = CommandLine::ForCurrentProcess()->HasSwitch(
       installer::switches::kSystemLevelToast);
 
   CommandLine cmd(InstallUtil::GetChromeUninstallCmd(system_level_toast,
                                                      GetType()));
   base::LaunchProcess(cmd, base::LaunchOptions(), NULL);
 }
 #endif