Adding CopresenceState

components/copresence/handlers/directive_handler_impl.h

 // Copyright 2014 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_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_IMPL_H_
 #define COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_IMPL_H_
 
 #include "components/copresence/handlers/directive_handler.h"
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "components/copresence/handlers/audio/audio_directive_handler_impl.h"
+#include "components/copresence/public/copresence_constants.h"
 
 namespace copresence {
 
 // The directive handler manages transmit and receive directives.
 class DirectiveHandlerImpl final : public DirectiveHandler {
  public:
-  explicit DirectiveHandlerImpl(scoped_ptr<AudioDirectiveHandler>
-      audio_handler = make_scoped_ptr(new AudioDirectiveHandlerImpl));
+  explicit DirectiveHandlerImpl(
+      const DirectivesCallback& update_directives_callback);
+  DirectiveHandlerImpl(
+      const DirectivesCallback& update_directives_callback,
+      scoped_ptr<AudioDirectiveHandler> audio_handler);
   ~DirectiveHandlerImpl() override;
 
-  // DirectiveHandler overrides
+  // DirectiveHandler overrides.
   void Start(WhispernetClient* whispernet_client,
              const TokensCallback& tokens_cb) override;
   void AddDirective(const Directive& directive) override;
   void RemoveDirectives(const std::string& op_id) override;
   const std::string GetCurrentAudioToken(AudioType type) const override;
   bool IsAudioTokenHeard(AudioType type) const override;
 
  private:
   // Starts actually running a directive.
   void StartDirective(const std::string& op_id, const Directive& directive);
 
   scoped_ptr<AudioDirectiveHandler> audio_handler_;
   std::map<std::string, std::vector<Directive>> pending_directives_;
 
   bool is_started_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectiveHandlerImpl);
 };
 
 }  // namespace copresence
 
 #endif  // COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_IMPL_H_