Support persistent notifications in the PlatformNotificationServiceImpl.

chrome/browser/notifications/persistent_notification_delegate.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 "chrome/browser/notifications/persistent_notification_delegate.h"
+
+#include "base/bind.h"
+#include "base/guid.h"
+#include "chrome/browser/notifications/platform_notification_service_impl.h"
+#include "content/public/common/persistent_notification_status.h"
+
+namespace {
+
+// Persistent notifications fired through the delegate do not care about the
+// lifetime of the Service Worker responsible for executing the event.
+void OnEventDispatchComplete(content::PersistentNotificationStatus status) {}
+
+}  // namespace
+
+PersistentNotificationDelegate::PersistentNotificationDelegate(
+    content::BrowserContext* browser_context,
+    int64 service_worker_registration_id,
+    const GURL& origin,
+    const content::PlatformNotificationData& notification_data)
+    : browser_context_(browser_context),
+      service_worker_registration_id_(service_worker_registration_id),
+      origin_(origin),
+      notification_data_(notification_data),
+      id_(base::GenerateGUID()) {}
+
+PersistentNotificationDelegate::~PersistentNotificationDelegate() {}
+
+void PersistentNotificationDelegate::Display() {}
+
+void PersistentNotificationDelegate::Close(bool by_user) {}
+
+void PersistentNotificationDelegate::Click() {
+  PlatformNotificationServiceImpl::GetInstance()->OnPersistentNotificationClick(
+      browser_context_,
+      service_worker_registration_id_,
+      id_,
+      origin_,
+      notification_data_,
+      base::Bind(&OnEventDispatchComplete));
+}
+
+std::string PersistentNotificationDelegate::id() const {
+  return id_;
+}