Push API: use (un)subscription instead of (un)registration

content/child/push_messaging/push_provider.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_CHILD_PUSH_MESSAGING_PUSH_PROVIDER_H_
 #define CONTENT_CHILD_PUSH_MESSAGING_PUSH_PROVIDER_H_
 
 #include <string>
 
 #include "base/id_map.h"
@@ skipping 45 matching lines @@
       blink::WebPushPermissionStatusCallbacks* callbacks);
 
   // Called by the PushDispatcher.
   bool OnMessageReceived(const IPC::Message& message);
 
  private:
   PushProvider(ThreadSafeSender* thread_safe_sender,
                PushDispatcher* push_dispatcher);
 
   // IPC message handlers.
-  void OnRegisterFromWorkerSuccess(int request_id,
+  void OnSubscribeFromWorkerSuccess(int request_id,
                                    const GURL& endpoint,
-                                   const std::string& registration_id);
-  void OnRegisterFromWorkerError(int request_id, PushRegistrationStatus status);
-  void OnUnregisterSuccess(int request_id, bool did_unregister);
-  void OnUnregisterError(int request_id,
+                                   const std::string& subscription_id);
+  void OnSubscribeFromWorkerError(int request_id, PushRegistrationStatus status);
+  void OnUnsubscribeSuccess(int request_id, bool did_unregister);
+  void OnUnsubscribeError(int request_id,
                          blink::WebPushError::ErrorType error_type,
                          const std::string& error_message);
   void OnGetRegistrationSuccess(int request_id,
                                 const GURL& endpoint,
                                 const std::string& registration_id);
   void OnGetRegistrationError(int request_id, PushGetRegistrationStatus status);
   void OnGetPermissionStatusSuccess(int request_id,
                                     blink::WebPushPermissionStatus status);
   void OnGetPermissionStatusError(int request_id,
                                   blink::WebPushError::ErrorType error);
@@ skipping 15 matching lines @@
   // the callbacks.
   IDMap<blink::WebPushUnsubscribeCallbacks, IDMapOwnPointer>
       unsubscribe_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(PushProvider);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_PUSH_MESSAGING_PUSH_PROVIDER_H_