Add Easy Unlock options to chrome://settings behind a flag.

chrome/browser/signin/easy_unlock_controller.cc

Index: chrome/browser/signin/easy_unlock_controller.cc
diff --git a/chrome/browser/signin/easy_unlock_controller.cc b/chrome/browser/signin/easy_unlock_controller.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e8b2dd572e7ad5b100cacc5982a1cf0f7fca1cec
--- /dev/null
+++ b/chrome/browser/signin/easy_unlock_controller.cc
@@ -0,0 +1,26 @@
+// 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_controller.h"
+
+#include "base/values.h"
+#include "chrome/common/pref_names.h"
+#include "components/user_prefs/pref_registry_syncable.h"
+
+// static.
+void EasyUnlockController::RegisterProfilePrefs(
+    user_prefs::PrefRegistrySyncable* registry) {
+  registry->RegisterBooleanPref(
+      ::prefs::kEasyUnlockEnabled,
+      false,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterBooleanPref(
+      ::prefs::kEasyUnlockShowTutorial,
+      false,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(
+      ::prefs::kEasyUnlockPairing,

[Roger Tawa OOO till Jul 10th, 2014/03/17 17:23:10]

No need for :: in front of prefs::

[Tim Song, 2014/03/17 19:12:07]

Done.

+      new base::DictionaryValue(),
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+}