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

chromeos/components/tether/mock_local_device_data_provider.h

Index: chromeos/components/tether/mock_local_device_data_provider.h
diff --git a/chromeos/components/tether/mock_local_device_data_provider.h b/chromeos/components/tether/mock_local_device_data_provider.h
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index 0000000000000000000000000000000000000000..40fa92448c269ae2c6f574cab358e9c2a229cbd6
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+++ b/chromeos/components/tether/mock_local_device_data_provider.h
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+// Copyright 2016 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.
+
+#ifndef CHROMEOS_COMPONENTS_TETHER_MOCK_LOCAL_DEVICE_DATA_PROVIDER_H
+#define CHROMEOS_COMPONENTS_TETHER_MOCK_LOCAL_DEVICE_DATA_PROVIDER_H
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "base/macros.h"
+#include "base/memory/ptr_util.h"
+#include "chromeos/components/tether/local_device_data_provider.h"
+
+namespace cryptauth {
+class BeaconSeed;
+}
+
+namespace chromeos {
+
+namespace tether {
+
+// Test double for LocalDeviceDataProvider.
+class MockLocalDeviceDataProvider : public LocalDeviceDataProvider {
+ public:
+  MockLocalDeviceDataProvider();
+  ~MockLocalDeviceDataProvider() override;
+
+  void SetPublicKey(std::unique_ptr<std::string> public_key);
+  void SetBeaconSeeds(
+      std::unique_ptr<std::vector<cryptauth::BeaconSeed>> beacon_seeds);
+
+  // LocalDeviceDataProvider:
+  bool GetLocalDeviceData(
+      std::string* public_key_out,
+      std::vector<cryptauth::BeaconSeed>* beacon_seeds_out) const override;
+
+ private:
+  std::unique_ptr<std::string> public_key_;
+  std::unique_ptr<std::vector<cryptauth::BeaconSeed>> beacon_seeds_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockLocalDeviceDataProvider);
+};
+
+}  // namespace tether
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_COMPONENTS_TETHER_MOCK_LOCAL_DEVICE_DATA_PROVIDER_H