Revert of 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
deleted file mode 100644
index 4f8bdc46f0e691c9c5febcdbde713c7c4d9dbd61..0000000000000000000000000000000000000000
--- a/device/u2f/mock_u2f_device.cc
+++ /dev/null
@@ -1,53 +0,0 @@
-// 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