Add U2F request state machines

device/u2f/mock_u2f_device.cc

Index: device/u2f/mock_u2f_device.cc
diff --git a/device/u2f/mock_u2f_device.cc b/device/u2f/mock_u2f_device.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4f8bdc46f0e691c9c5febcdbde713c7c4d9dbd61
--- /dev/null
+++ b/device/u2f/mock_u2f_device.cc
@@ -0,0 +1,53 @@
+// Copyright 2017 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 "mock_u2f_device.h"
+
+namespace device {
+
+MockU2fDevice::MockU2fDevice() {}
+
+MockU2fDevice::~MockU2fDevice() {}
+
+void MockU2fDevice::DeviceTransact(std::unique_ptr<U2fApduCommand> command,
+                                   const DeviceCallback& cb) {
+  DeviceTransactPtr(command.get(), cb);
+}
+
+// static
+void MockU2fDevice::NotSatisfied(U2fApduCommand* cmd,
+                                 const DeviceCallback& cb) {
+  cb.Run(true, base::MakeUnique<U2fApduResponse>(
+                   std::vector<uint8_t>(),
+                   U2fApduResponse::Status::SW_CONDITIONS_NOT_SATISFIED));
+}
+
+// static
+void MockU2fDevice::WrongData(U2fApduCommand* cmd, const DeviceCallback& cb) {
+  cb.Run(true,
+         base::MakeUnique<U2fApduResponse>(
+             std::vector<uint8_t>(), U2fApduResponse::Status::SW_WRONG_DATA));
+}
+
+// static
+void MockU2fDevice::NoErrorSign(U2fApduCommand* cmd, const DeviceCallback& cb) {
+  cb.Run(true, base::MakeUnique<U2fApduResponse>(
+                   std::vector<uint8_t>({kSign}),
+                   U2fApduResponse::Status::SW_NO_ERROR));
+}
+
+// static
+void MockU2fDevice::NoErrorRegister(U2fApduCommand* cmd,
+                                    const DeviceCallback& cb) {
+  cb.Run(true, base::MakeUnique<U2fApduResponse>(
+                   std::vector<uint8_t>({kRegister}),
+                   U2fApduResponse::Status::SW_NO_ERROR));
+}
+
+// static
+void MockU2fDevice::WinkDoNothing(const WinkCallback& cb) {
+  cb.Run();
+}
+
+}  // namespace device