Control easy unlock by a field trial.

chrome/browser/ui/webui/options/browser_options_handler.cc

Index: chrome/browser/ui/webui/options/browser_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/browser_options_handler.cc b/chrome/browser/ui/webui/options/browser_options_handler.cc
index fc219855c06f2a710548ba974e124063dec2f00b..55a722fb624c7ceeea5670e7575d1edd38115595 100644
--- a/chrome/browser/ui/webui/options/browser_options_handler.cc
+++ b/chrome/browser/ui/webui/options/browser_options_handler.cc
@@ -597,9 +597,7 @@ void BrowserOptionsHandler::GetLocalizedValues(base::DictionaryValue* values) {
   values->SetString("languagesLearnMoreURL",
                     chrome::kLanguageSettingsLearnMoreUrl);
 
-  values->SetBoolean(
-      "easyUnlockEnabled",
-      CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableEasyUnlock));
+  values->SetBoolean("easyUnlockEnabled", easy_unlock::IsEnabled());
   values->SetString("easyUnlockLearnMoreURL", chrome::kEasyUnlockLearnMoreUrl);
   values->SetString("easyUnlockManagementURL",
                     chrome::kEasyUnlockManagementUrl);