[Cleanup] Clean up Easy Unlock code a bit.

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 2017 matching lines @@
 void BrowserOptionsHandler::SetupManagingSupervisedUsers() {
   bool has_users = !Profile::FromWebUI(web_ui())->
       GetPrefs()->GetDictionary(prefs::kSupervisedUsers)->empty();
   base::FundamentalValue has_users_value(has_users);
   web_ui()->CallJavascriptFunction(
       "BrowserOptions.updateManagesSupervisedUsers",
       has_users_value);
 }
 
 void BrowserOptionsHandler::SetupEasyUnlock() {
-  // TODO(xiyuan): Update when pairing data is really availble.
-  const base::ListValue* devices =
-      EasyUnlockService::Get(Profile::FromWebUI(web_ui()))->GetRemoteDevices();
-  bool has_pairing = devices && !devices->empty();
-  base::FundamentalValue has_pairing_value(has_pairing);
+  base::FundamentalValue is_enabled(
+      EasyUnlockService::Get(Profile::FromWebUI(web_ui()))->IsEnabled());
   web_ui()->CallJavascriptFunction(
       "BrowserOptions.updateEasyUnlock",
-      has_pairing_value);
+      is_enabled);
 }
 
 void BrowserOptionsHandler::SetupExtensionControlledIndicators() {
 #if defined(OS_WIN)
   base::DictionaryValue extension_controlled;
 
   // Check if an extension is overriding the Search Engine.
   const extensions::Extension* extension =
       extensions::GetExtensionOverridingSearchEngine(
           Profile::FromWebUI(web_ui()));
@@ skipping 73 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