Remove all blimp client code.

blimp/client/core/session/connection_status.h

-// 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 BLIMP_CLIENT_CORE_SESSION_CONNECTION_STATUS_H_
-#define BLIMP_CLIENT_CORE_SESSION_CONNECTION_STATUS_H_
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "blimp/client/core/session/network_event_observer.h"
-#include "blimp/client/public/session/assignment.h"
-#include "net/base/ip_endpoint.h"
-
-namespace blimp {
-namespace client {
-
-// Provides Blimp engine connection status, and also broadcasts connection
-// events to observers on main thread.
-class ConnectionStatus : public NetworkEventObserver {
- public:
-  ConnectionStatus();
-  ~ConnectionStatus() override;
-
-  // Return if we connected to the engine.
-  bool is_connected() const { return is_connected_; }
-
-  // Get engine IP and port.
-  const net::IPEndPoint& engine_endpoint() const { return engine_endpoint_; }
-
-  // Broadcast network events.
-  void AddObserver(NetworkEventObserver* observer);
-  void RemoveObserver(NetworkEventObserver* observer);
-
-  // Set connection states.
-  void OnAssignmentResult(int result, const Assignment& assignment);
-
-  base::WeakPtr<ConnectionStatus> GetWeakPtr();
-
- private:
-  // NetworkEventObserver implementation.
-  void OnConnected() override;
-  void OnDisconnected(int result) override;
-
-  // Observers listen to session events.
-  base::ObserverList<NetworkEventObserver> connection_observers_;
-
-  // IP address and port of the engine.
-  net::IPEndPoint engine_endpoint_;
-
-  // If the client is currently connected.
-  bool is_connected_;
-
-  base::WeakPtrFactory<ConnectionStatus> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(ConnectionStatus);
-};
-
-}  // namespace client
-}  // namespace blimp
-
-#endif  // BLIMP_CLIENT_CORE_SESSION_CONNECTION_STATUS_H_