mash: Change CastConfigDelegate to a mojoified CastConfigClient.

ash/common/cast_config_delegate.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 ASH_COMMON_CAST_CONFIG_DELEGATE_H_
-#define ASH_COMMON_CAST_CONFIG_DELEGATE_H_
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "ash/ash_export.h"
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "url/gurl.h"
-
-namespace ash {
-
-// This delegate allows the UI code in ash, e.g. |TrayCastDetailedView|,
-// to access the cast extension.
-class CastConfigDelegate {
- public:
-  struct ASH_EXPORT Sink {
-    Sink();
-    ~Sink();
-
-    std::string id;
-    base::string16 name;
-    base::string16 domain;
-  };
-
-  struct ASH_EXPORT Route {
-    enum class ContentSource { UNKNOWN, TAB, DESKTOP };
-
-    Route();
-    ~Route();
-
-    std::string id;
-    base::string16 title;
-
-    // Is the activity originating from this computer?
-    bool is_local_source = false;
-
-    // What is source of the content? For example, we could be DIAL casting a
-    // tab or mirroring the entire desktop.
-    ContentSource content_source = ContentSource::UNKNOWN;
-  };
-
-  struct ASH_EXPORT SinkAndRoute {
-    SinkAndRoute();
-    ~SinkAndRoute();
-
-    Sink sink;
-    Route route;
-  };
-
-  using SinksAndRoutes = std::vector<SinkAndRoute>;
-
-  class ASH_EXPORT Observer {
-   public:
-    // Invoked whenever there is new sink or route information available.
-    virtual void OnDevicesUpdated(const SinksAndRoutes& devices) = 0;
-
-   protected:
-    virtual ~Observer() {}
-
-   private:
-    DISALLOW_ASSIGN(Observer);
-  };
-
-  virtual ~CastConfigDelegate() {}
-
-  // Request fresh data from the backend. When the data is available, all
-  // registered observers will get called.
-  virtual void RequestDeviceRefresh() = 0;
-
-  // Initiate a casting session to |sink|.
-  virtual void CastToSink(const Sink& sink) = 0;
-
-  // A user-initiated request to stop the given cast session.
-  virtual void StopCasting(const Route& route) = 0;
-
-  // Add or remove an observer.
-  virtual void AddObserver(Observer* observer) = 0;
-  virtual void RemoveObserver(Observer* observer) = 0;
-
- private:
-  DISALLOW_ASSIGN(CastConfigDelegate);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_CAST_CONFIG_DELEGATE_H_