Rename ArcBridgeBootstrap to ArcSession.

components/arc/arc_bridge_bootstrap.h

-// 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.
-
-#ifndef COMPONENTS_ARC_ARC_BRIDGE_BOOTSTRAP_H_
-#define COMPONENTS_ARC_ARC_BRIDGE_BOOTSTRAP_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/observer_list.h"
-#include "base/sequenced_task_runner.h"
-#include "base/single_thread_task_runner.h"
-#include "components/arc/arc_bridge_service.h"
-
-namespace arc {
-
-// Starts the ARC instance and bootstraps the bridge connection.
-// Clients should implement the Delegate to be notified upon communications
-// being available.
-// The instance can be safely removed 1) before Start() is called, or 2) after
-// OnStopped() is called.
-// The number of instances must be at most one. Otherwise, ARC instances will
-// conflict.
-// TODO(hidehiko): This class manages more than "bootstrap" procedure now.
-// Rename this to ArcSession.
-class ArcBridgeBootstrap {
- public:
-  class Observer {
-   public:
-    Observer() = default;
-    virtual ~Observer() = default;
-
-    // Called when the connection with ARC instance has been established.
-    virtual void OnReady() = 0;
-
-    // Called when ARC instance is stopped. This is called exactly once
-    // per instance which is Start()ed.
-    virtual void OnStopped(ArcBridgeService::StopReason reason) = 0;
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(Observer);
-  };
-
-  // Creates a default instance of ArcBridgeBootstrap.
-  static std::unique_ptr<ArcBridgeBootstrap> Create();
-  virtual ~ArcBridgeBootstrap();
-
-  // Starts and bootstraps a connection with the instance. The Delegate's
-  // OnConnectionEstablished() will be called if the bootstrapping is
-  // successful, or OnStopped() if it is not.
-  // Start() should not be called twice or more.
-  virtual void Start() = 0;
-
-  // Requests to stop the currently-running instance.
-  // The completion is notified via OnStopped() of the Delegate.
-  virtual void Stop() = 0;
-
-  void AddObserver(Observer* observer);
-  void RemoveObserver(Observer* observer);
-
- protected:
-  ArcBridgeBootstrap();
-
-  base::ObserverList<Observer> observer_list_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ArcBridgeBootstrap);
-};
-
-}  // namespace arc
-
-#endif  // COMPONENTS_ARC_ARC_BRIDGE_BOOTSTRAP_H_