Add a Rappor option in the settings page.

chrome/browser/ui/webui/options/browser_options_handler.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 "chrome/browser/ui/webui/options/browser_options_handler.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 533 matching lines @@
   }
   if (!username.empty())
     username = gaia::SanitizeEmail(gaia::CanonicalizeEmail(username));
 
   values->SetString("username", username);
 #endif
   // Pass along sync status early so it will be available during page init.
   values->Set("syncData", GetSyncStateDictionary().release());
 
   values->SetString("privacyLearnMoreURL", chrome::kPrivacyLearnMoreURL);
+
+  base::string16 rappor_url = base::ASCIIToUTF16(chrome::kRapporLearnMoreURL);
+  values->SetString("enableRappor",
+      l10n_util::GetStringFUTF16(IDS_OPTIONS_ENABLE_RAPPOR, rappor_url));
   values->SetString("doNotTrackLearnMoreURL", chrome::kDoNotTrackLearnMoreURL);
 
 #if !defined(OS_CHROMEOS)
   values->SetBoolean("metricsReportingEnabledAtStart",
        ChromeMetricsServiceAccessor::IsMetricsReportingEnabled());
 #endif
 
 #if defined(OS_CHROMEOS)
   // TODO(pastarmovj): replace this with a call to the CrosSettings list
   // handling functionality to come.
@@ skipping 1553 matching lines @@
 void BrowserOptionsHandler::OnPolicyUpdated(const policy::PolicyNamespace& ns,
                                             const policy::PolicyMap& previous,
                                             const policy::PolicyMap& current) {
   std::set<std::string> different_keys;
   current.GetDifferingKeys(previous, &different_keys);
   if (ContainsKey(different_keys, policy::key::kMetricsReportingEnabled))
     SetupMetricsReportingCheckbox();
 }
 
 }  // namespace options