easy-unlock: Tighten finch check.

chrome/browser/signin/easy_unlock_service_regular.cc

 // Copyright 2014 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/signin/easy_unlock_service_regular.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/prefs/pref_service.h"
@@ skipping 173 matching lines @@
     return false;
 
   if (!chromeos::ProfileHelper::IsPrimaryProfile(profile()))
     return false;
 
   if (!profile()->GetPrefs()->GetBoolean(prefs::kEasyUnlockAllowed))
     return false;
 
   // Respect existing policy and skip finch test.
   if (!profile()->GetPrefs()->IsManagedPreference(prefs::kEasyUnlockAllowed)) {
-    // It is disabled when the trial exists and is in "Disable" group.
-    if (base::FieldTrialList::FindFullName("EasyUnlock") == "Disable")
-      return false;
+    // It is enabled when the trial exists and is in "Enable" group.
+    return base::FieldTrialList::FindFullName("EasyUnlock") == "Enable";
   }
 
   return true;
 #else
   // TODO(xiyuan): Revisit when non-chromeos platforms are supported.
   return false;
 #endif
 }
 
 void EasyUnlockServiceRegular::OnPrefsChanged() {
@@ skipping 10 matching lines @@
 
   if (!success) {
     SetTurnOffFlowStatus(FAIL);
     return;
   }
 
   ClearRemoteDevices();
   SetTurnOffFlowStatus(IDLE);
   ReloadApp();
 }