Deleting the copresence API.

chrome/browser/ui/webui/copresence_ui_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 CHROME_BROWSER_UI_WEBUI_COPRESENCE_UI_HANDLER_H_
-#define CHROME_BROWSER_UI_WEBUI_COPRESENCE_UI_HANDLER_H_
-
-#include "base/macros.h"
-#include "components/copresence/public/copresence_observer.h"
-#include "content/public/browser/web_ui_message_handler.h"
-
-namespace base {
-class ListValue;
-}
-
-namespace content {
-class WebUI;
-}
-
-namespace copresence {
-class CopresenceState;
-}
-
-// UI Handler for the copresence page.
-// TODO(crbug.com/444263): Write tests.
-class CopresenceUIHandler final : public content::WebUIMessageHandler,
-                                  public copresence::CopresenceObserver {
- public:
-  explicit CopresenceUIHandler(content::WebUI* web_ui);
-  ~CopresenceUIHandler() override;
-
- private:
-  // WebUIMessageHandler override.
-  void RegisterMessages() override;
-
-  // CopresenceObserver overrides.
-  void DirectivesUpdated() override;
-  void TokenTransmitted(const copresence::TransmittedToken& token) override;
-  void TokenReceived(const copresence::ReceivedToken& token) override;
-
-  // Handler to populate the page with its initial state.
-  void HandlePopulateState(const base::ListValue* args);
-
-  // Handler for the clear state button.
-  void HandleClearState(const base::ListValue* args);
-
-  copresence::CopresenceState* state_;
-
-  DISALLOW_COPY_AND_ASSIGN(CopresenceUIHandler);
-};
-
-#endif  // CHROME_BROWSER_UI_WEBUI_COPRESENCE_UI_HANDLER_H_