Disabling wallet and mocking out more of WalletClient while testing.

components/autofill/content/browser/wallet/mock_wallet_client.cc

+// Copyright 2013 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/autofill/content/browser/wallet/mock_wallet_client.h"
+
+namespace autofill {
+namespace wallet {
+
+MockWalletClient::MockWalletClient(net::URLRequestContextGetter* context,
+                                   wallet::WalletClientDelegate* delegate)
+    : wallet::WalletClient(context, delegate) {}
+
+MockWalletClient::~MockWalletClient() {}
+
+}  // namespace wallet
+}  // namespace autofill