Allow embedder to use custom cryptography in Autofill table.

components/autofill/core/browser/webdata/autofill_table_encryptor_factory.cc

+// Copyright (c) 2017 The Chromium Authors. All rights reserved.

[please use gerrit instead, 2017/02/22 19:05:42]

no "(c)" necessary

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/autofill/core/browser/webdata/autofill_table_encryptor_factory.h"
+
+#include "base/memory/ptr_util.h"
+#include "components/autofill/core/browser/webdata/system_encryptor.h"
+
+namespace autofill {
+
+AutofillTableEncryptorFactory::AutofillTableEncryptorFactory() {}
+
+AutofillTableEncryptorFactory* AutofillTableEncryptorFactory::GetInstance() {
+  return base::Singleton<AutofillTableEncryptorFactory>::get();
+}
+
+std::unique_ptr<AutofillTableEncryptor>
+AutofillTableEncryptorFactory::Create() {
+  DCHECK(sequence_checker_.CalledOnValidSequence());
+  if (delegate_)

[please use gerrit instead, 2017/02/22 19:05:42]

Single line:

return delegate_ ? delgate_->Create() : base::MakeUnique<SystemEncryptor>();

[devarajn, 2017/02/22 19:24:26]

Done.

+    return delegate_->Create();
+
+  return base::MakeUnique<SystemEncryptor>();
+}
+
+void AutofillTableEncryptorFactory::SetDelegate(
+    std::unique_ptr<Delegate> delegate) {
+  DCHECK(sequence_checker_.CalledOnValidSequence());
+  delegate_ = std::move(delegate);
+}
+
+}  // namespace autofill