Refactor ProximityAuthUIDelegate functions to ProximityAuthClient.

components/proximity_auth/mock_proximity_auth_client.cc

+// Copyright 2015 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 "components/proximity_auth/mock_proximity_auth_client.h"
+
+namespace proximity_auth {
+
+MockProximityAuthClient::MockProximityAuthClient() {}
+
+MockProximityAuthClient::~MockProximityAuthClient() {}
+
+scoped_ptr<SecureMessageDelegate>
+MockProximityAuthClient::CreateSecureMessageDelegate() {
+  return make_scoped_ptr(CreateSecureMessageDelegatePtr());
+}
+
+scoped_ptr<CryptAuthClientFactory>
+MockProximityAuthClient::CreateCryptAuthClientFactory() {
+  return make_scoped_ptr(CreateCryptAuthClientFactoryPtr());
+}
+
+}  // proximity_auth