sync: Finish non-blocking type encryption support

sync/test/engine/simple_cryptographer_provider.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 "sync/test/engine/simple_cryptographer_provider.h"
-
-namespace syncer {
-
-SimpleCryptographerProvider::SimpleCryptographerProvider(
-    Cryptographer* cryptographer)
-    : cryptographer_(cryptographer) {
-}
-
-SimpleCryptographerProvider::~SimpleCryptographerProvider() {
-}
-
-bool SimpleCryptographerProvider::InitScopedCryptographerRef(
-    ScopedCryptographerRef* scoped) {
-  scoped->Initialize(new SimpleScopedCryptographerInternal(cryptographer_));
-  return scoped->IsValid();
-}
-
-SimpleScopedCryptographerInternal::SimpleScopedCryptographerInternal(
-    Cryptographer* cryptographer)
-    : cryptographer_(cryptographer) {
-}
-
-SimpleScopedCryptographerInternal::~SimpleScopedCryptographerInternal() {
-}
-
-Cryptographer* SimpleScopedCryptographerInternal::Get() const {
-  return cryptographer_;
-}
-
-}  // namespace syncer