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

content/shell/browser/layout_test/layout_test_push_messaging_service.cc

 // 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.
 
 #include "content/shell/browser/layout_test/layout_test_push_messaging_service.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "content/public/browser/permission_type.h"
 #include "content/shell/browser/layout_test/layout_test_browser_context.h"
@@ skipping 24 matching lines @@
 LayoutTestPushMessagingService::LayoutTestPushMessagingService() {
 }
 
 LayoutTestPushMessagingService::~LayoutTestPushMessagingService() {
 }
 
 GURL LayoutTestPushMessagingService::GetPushEndpoint() {
   return GURL("https://example.com/LayoutTestEndpoint");
 }
 
-void LayoutTestPushMessagingService::RegisterFromDocument(
+void LayoutTestPushMessagingService::SubscribeFromDocument(
     const GURL& requesting_origin,
     int64 service_worker_registration_id,
     const std::string& sender_id,
     int renderer_id,
     int render_frame_id,
     bool user_visible,
     const PushMessagingService::RegisterCallback& callback) {
-  RegisterFromWorker(requesting_origin, service_worker_registration_id,
-                     sender_id, user_visible, callback);
+  SubscribeFromWorker(requesting_origin, service_worker_registration_id,
+                      sender_id, user_visible, callback);
 }
 
-void LayoutTestPushMessagingService::RegisterFromWorker(
+void LayoutTestPushMessagingService::SubscribeFromWorker(
     const GURL& requesting_origin,
     int64 service_worker_registration_id,
     const std::string& sender_id,
     bool user_visible,
     const PushMessagingService::RegisterCallback& callback) {
   if (GetPermissionStatus(requesting_origin, requesting_origin, user_visible) ==
       blink::WebPushPermissionStatusGranted) {
     callback.Run("layoutTestRegistrationId",
                  PUSH_REGISTRATION_STATUS_SUCCESS_FROM_PUSH_SERVICE);
   } else {
@@ skipping 11 matching lines @@
       ->GetLayoutTestPermissionManager()
       ->GetPermissionStatus(PermissionType::PUSH_MESSAGING,
                             requesting_origin,
                             embedding_origin));
 }
 
 bool LayoutTestPushMessagingService::SupportNonVisibleMessages() {
   return false;
 }
 
-void LayoutTestPushMessagingService::Unregister(
+void LayoutTestPushMessagingService::Unsubscribe(
     const GURL& requesting_origin,
     int64 service_worker_registration_id,
     const std::string& sender_id,
     const UnregisterCallback& callback) {
   callback.Run(PUSH_UNREGISTRATION_STATUS_SUCCESS_UNREGISTERED);
 }
 
 }  // namespace content