[CrOS Tether]: Create BleConnectionManager, which manages secure connections between the current de…

components/cryptauth/fake_secure_channel.h

+// 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.
+
+#ifndef COMPONENTS_CRYPTAUTH_FAKE_SECURE_CHANNEL_H_
+#define COMPONENTS_CRYPTAUTH_FAKE_SECURE_CHANNEL_H_
+
+#include "base/macros.h"
+#include "components/cryptauth/secure_channel.h"
+
+namespace cryptauth {
+
+// A fake implementation of SecureChannel to use in tests.
+class FakeSecureChannel : public SecureChannel {
+ public:
+  FakeSecureChannel(std::unique_ptr<Connection> connection,
+                    std::unique_ptr<Delegate> delegate);
+  ~FakeSecureChannel() override;
+
+  struct SentMessage {
+    SentMessage(const std::string& feature, const std::string& payload);
+
+    std::string feature;
+    std::string payload;
+  };
+
+  void ChangeStatus(const Status& new_status);
+  void ReceiveMessage(const std::string& feature, const std::string& payload);
+
+  std::vector<Observer*> observers() { return observers_; }
+
+  std::vector<SentMessage> sent_messages() { return sent_messages_; }
+
+  // SecureChannel:
+  void Initialize() override;
+  void SendMessage(const std::string& feature,
+                   const std::string& payload) override;
+  void Disconnect() override;
+  void AddObserver(Observer* observer) override;
+  void RemoveObserver(Observer* observer) override;
+
+ private:
+  std::vector<Observer*> observers_;
+  std::vector<SentMessage> sent_messages_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakeSecureChannel);
+};
+
+}  // namespace cryptauth
+
+#endif  // COMPONENTS_CRYPTAUTH_FAKE_SECURE_CHANNEL_H_