Removal of chrome.pushMessaging API

chrome/browser/extensions/api/push_messaging/push_messaging_invalidation_handler.h

-// Copyright (c) 2012 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_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_INVALIDATION_HANDLER_H_
-#define CHROME_BROWSER_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_INVALIDATION_HANDLER_H_
-
-#include <map>
-#include <set>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/threading/thread_checker.h"
-#include "chrome/browser/extensions/api/push_messaging/push_messaging_invalidation_mapper.h"
-#include "components/invalidation/invalidation_handler.h"
-#include "components/invalidation/invalidation_util.h"
-
-namespace invalidation {
-class InvalidationService;
-}
-
-namespace extensions {
-
-class PushMessagingInvalidationHandlerDelegate;
-
-// This class maps extension IDs to the corresponding object IDs, manages
-// invalidation registrations, and dispatches callbacks for any invalidations
-// received.
-class PushMessagingInvalidationHandler : public PushMessagingInvalidationMapper,
-                                         public syncer::InvalidationHandler {
- public:
-  // |service| and |delegate| must remain valid for the lifetime of this object.
-  // |extension_ids| is the set of extension IDs for which push messaging is
-  // enabled.
-  PushMessagingInvalidationHandler(
-      invalidation::InvalidationService* service,
-      PushMessagingInvalidationHandlerDelegate* delegate);
-  ~PushMessagingInvalidationHandler() override;
-
-  // PushMessagingInvalidationMapper implementation.
-  void SuppressInitialInvalidationsForExtension(
-      const std::string& extension_id) override;
-  void RegisterExtension(const std::string& extension_id) override;
-  void UnregisterExtension(const std::string& extension_id) override;
-
-  // InvalidationHandler implementation.
-  void OnInvalidatorStateChange(syncer::InvalidatorState state) override;
-  void OnIncomingInvalidation(
-      const syncer::ObjectIdInvalidationMap& invalidation_map) override;
-  std::string GetOwnerName() const override;
-
-  const std::set<std::string>& GetRegisteredExtensionsForTest() const {
-    return registered_extensions_;
-  }
-
- private:
-  void UpdateRegistrations();
-
-  base::ThreadChecker thread_checker_;
-  invalidation::InvalidationService* const service_;
-  std::set<std::string> registered_extensions_;
-  syncer::ObjectIdSet suppressed_ids_;
-  PushMessagingInvalidationHandlerDelegate* const delegate_;
-  std::map<invalidation::ObjectId,
-           int64,
-           syncer::ObjectIdLessThan> max_object_version_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(PushMessagingInvalidationHandler);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_INVALIDATION_HANDLER_H_