Background service worker push message processing

content/public/browser/push_messaging_service.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 CONTENT_PUBLIC_BROWSER_PUSH_MESSAGING_SERVICE_H_
 #define CONTENT_PUBLIC_BROWSER_PUSH_MESSAGING_SERVICE_H_
 
 #include <stdint.h>
 #include <string>
 #include <vector>
@@ skipping 23 matching lines @@
 
   using EncryptionInfoCallback = base::Callback<void(
       bool success,
       const std::vector<uint8_t>& p256dh,
       const std::vector<uint8_t>& auth)>;
 
   using StringCallback = base::Callback<void(const std::string& data,
                                              bool success,
                                              bool not_found)>;
 
-  using ResultCallback = base::Callback<void(bool success)>;
-
   virtual ~PushMessagingService() {}
 
   // Returns the absolute URL exposed by the push server where the webapp server
   // can send push messages. This is currently assumed to be the same for all
   // origins and push registrations.
   virtual GURL GetPushEndpoint() = 0;
 
   // Subscribe the given |options.sender_info| with the push messaging service
   // in a document context. The frame is known and a permission UI may be
   // displayed to the user.
@@ skipping 31 matching lines @@
   // resulting in visible effects to the user.
   virtual blink::WebPushPermissionStatus GetPermissionStatus(
       const GURL& origin,
       bool user_visible) = 0;
 
   // Returns whether subscriptions that do not mandate user visible UI upon
   // receiving a push message are supported. Influences permission request and
   // permission check behaviour.
   virtual bool SupportNonVisibleMessages() = 0;
 
-  // Provide a storage mechanism to read/write an opaque
-  // "notifications_shown_by_last_few_pushes" string associated with a Service
-  // Worker registration. Stored data is deleted when the associated
-  // registration is deleted.
-  static void GetNotificationsShownByLastFewPushes(
-      ServiceWorkerContext* service_worker_context,
-      int64_t service_worker_registration_id,
-      const StringCallback& callback);
-  static void SetNotificationsShownByLastFewPushes(
-      ServiceWorkerContext* service_worker_context,
-      int64_t service_worker_registration_id,
-      const GURL& origin,
-      const std::string& notifications_shown,
-      const ResultCallback& callback);
-
  protected:
   static void GetSenderId(BrowserContext* browser_context,
                           const GURL& origin,
                           int64_t service_worker_registration_id,
                           const StringCallback& callback);
 
   // Clear the push subscription id stored in the service worker with the given
   // |service_worker_registration_id| for the given |origin|.
   static void ClearPushSubscriptionID(BrowserContext* browser_context,
                                       const GURL& origin,
                                       int64_t service_worker_registration_id,
                                       const base::Closure& callback);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_PUSH_MESSAGING_SERVICE_H_