[CrOS Tether] Create BleScanner, a class which scan BLE advertisements and identifies nearby device…

chromeos/components/tether/mock_local_device_data_provider.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 "chromeos/components/tether/mock_local_device_data_provider.h"
+
+#include "components/cryptauth/cryptauth_device_manager.h"
+#include "components/cryptauth/cryptauth_enrollment_manager.h"
+#include "components/cryptauth/proto/cryptauth_api.pb.h"
+
+namespace chromeos {
+
+namespace tether {
+
+MockLocalDeviceDataProvider::MockLocalDeviceDataProvider()
+    : LocalDeviceDataProvider(nullptr, nullptr) {}
+
+MockLocalDeviceDataProvider::~MockLocalDeviceDataProvider() {}
+
+void MockLocalDeviceDataProvider::SetPublicKey(
+    std::unique_ptr<std::string> public_key) {
+  if (public_key) {
+    public_key_ = std::move(public_key);
+  } else {
+    public_key_.reset();
+  }
+}
+
+void MockLocalDeviceDataProvider::SetBeaconSeeds(
+    std::unique_ptr<std::vector<cryptauth::BeaconSeed>> beacon_seeds) {
+  if (beacon_seeds) {
+    beacon_seeds_ = std::move(beacon_seeds);
+  } else {
+    beacon_seeds_.reset();
+  }
+}
+
+bool MockLocalDeviceDataProvider::GetLocalDeviceData(
+    std::string* public_key_out,
+    std::vector<cryptauth::BeaconSeed>* beacon_seeds_out) const {
+  if (public_key_ && beacon_seeds_) {
+    if (public_key_out) {
+      *public_key_out = *public_key_;
+    }
+    if (beacon_seeds_out) {
+      *beacon_seeds_out = *beacon_seeds_;
+    }
+    return true;
+  }
+
+  return false;
+}
+
+}  // namespace tether
+
+}  // namespace cryptauth