text: // Copyright 2016 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/browser/push_messaging/push_messaging_context.h"
  
  #include "content/browser/service_worker/service_worker_context_wrapper.h"
  #include "content/public/browser/browser_context.h"
  #include "content/public/browser/browser_thread.h"
  #include "content/public/browser/push_messaging_service.h"
  #include "url/gurl.h"
  
  namespace content {
  
  PushMessagingContext::PushMessagingContext(
      BrowserContext* browser_context,
      const scoped_refptr<ServiceWorkerContextWrapper>& service_worker_context)
      : browser_context_(browser_context),
        service_worker_context_(service_worker_context) {
    DCHECK_CURRENTLY_ON(BrowserThread::UI);
    service_worker_context_->AddObserver(this);
  }
  
  PushMessagingContext::~PushMessagingContext() {
    DCHECK_CURRENTLY_ON(BrowserThread::UI);
    service_worker_context_->RemoveObserver(this);
  }
  
  void PushMessagingContext::OnRegistrationDeleted(int64_t registration_id,
                                                   const GURL& pattern,
                                                   const blink::StorageKey& key) {
    DCHECK_CURRENTLY_ON(BrowserThread::UI);
    PushMessagingService* push_service =
        browser_context_->GetPushMessagingService();
    if (push_service) {
      push_service->DidDeleteServiceWorkerRegistration(
          pattern.DeprecatedGetOriginAsURL(), registration_id);
    }
  }
  
  void PushMessagingContext::OnStorageWiped() {
    DCHECK_CURRENTLY_ON(BrowserThread::UI);
    PushMessagingService* push_service =
        browser_context_->GetPushMessagingService();
    if (push_service)
      push_service->DidDeleteServiceWorkerDatabase();
  }
  
  }  // namespace content
  