Deleting the copresence API.

components/copresence/handlers/directive_handler.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_H_
-#define COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_
-
-#include <string>
-
-#include "base/macros.h"
-#include "components/audio_modem/public/whispernet_client.h"
-
-namespace copresence {
-
-class Directive;
-
-// The directive handler manages transmit and receive directives.
-class DirectiveHandler {
- public:
-  DirectiveHandler() {}
-  virtual ~DirectiveHandler() {}
-
-  // Starts processing directives with the provided Whispernet delegate.
-  // Directives will be queued until this function is called.
-  // |whispernet_client| is owned by the caller and must outlive the
-  // DirectiveHandler.
-  // |tokens_cb| is called for all audio tokens found in recorded audio.
-  // TODO(ckehoe): This is no longer needed. Merge into the constructor.
-  virtual void Start(audio_modem::WhispernetClient* whispernet_client,
-                     const audio_modem::TokensCallback& tokens_cb) = 0;
-
-  // Adds a directive to handle.
-  virtual void AddDirective(const Directive& directive) = 0;
-
-  // Removes any directives associated with the given operation id.
-  virtual void RemoveDirectives(const std::string& op_id) = 0;
-
-  // TODO(ckehoe): Move the Modem to be owned by CopresenceManager.
-  // Then this will not need to be passed all the way down the tree.
-  virtual const std::string
-  GetCurrentAudioToken(audio_modem::AudioType type) const = 0;
-  virtual bool IsAudioTokenHeard(audio_modem::AudioType type) const = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DirectiveHandler);
-};
-
-}  // namespace copresence
-
-#endif  // COMPONENTS_COPRESENCE_HANDLERS_DIRECTIVE_HANDLER_H_