Integrate the notification database with the normal code path.

chrome/browser/notifications/platform_notification_service_impl.cc

Index: chrome/browser/notifications/platform_notification_service_impl.cc
diff --git a/chrome/browser/notifications/platform_notification_service_impl.cc b/chrome/browser/notifications/platform_notification_service_impl.cc
index 8b8136942c41f37b3988226f8d5eb8a3a393cb3c..bce7a357724ef76d30282b9300d744d64d232d5b 100644
--- a/chrome/browser/notifications/platform_notification_service_impl.cc
+++ b/chrome/browser/notifications/platform_notification_service_impl.cc
@@ -61,20 +61,16 @@ PlatformNotificationServiceImpl::~PlatformNotificationServiceImpl() {}
 
 void PlatformNotificationServiceImpl::OnPersistentNotificationClick(
     content::BrowserContext* browser_context,
-    int64 service_worker_registration_id,
-    const std::string& notification_id,
+    int64_t persistent_notification_id,
     const GURL& origin,
-    const content::PlatformNotificationData& notification_data,
     const base::Callback<void(content::PersistentNotificationStatus)>&
         callback) const {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   content::NotificationEventDispatcher::GetInstance()
       ->DispatchNotificationClickEvent(
             browser_context,
+            persistent_notification_id,
             origin,
-            service_worker_registration_id,
-            notification_id,
-            notification_data,
             callback);
 }
 
@@ -218,7 +214,7 @@ void PlatformNotificationServiceImpl::DisplayNotification(
 
 void PlatformNotificationServiceImpl::DisplayPersistentNotification(
     content::BrowserContext* browser_context,
-    int64 service_worker_registration_id,
+    int64_t persistent_notification_id,
     const GURL& origin,
     const SkBitmap& icon,
     const content::PlatformNotificationData& notification_data) {
@@ -228,14 +224,15 @@ void PlatformNotificationServiceImpl::DisplayPersistentNotification(
   DCHECK(profile);
 
   PersistentNotificationDelegate* delegate = new PersistentNotificationDelegate(
-      browser_context,
-      service_worker_registration_id,
-      origin,
-      notification_data);
+      browser_context, persistent_notification_id, origin);
 
   Notification notification = CreateNotificationFromData(
       profile, origin, icon, notification_data, delegate);
 
+  // TODO(peter): Remove this mapping when we have reliable id generation for
+  // the message_center::Notification objects.
+  persistent_notifications_[persistent_notification_id] = notification.id();
+
   GetNotificationUIManager()->Add(notification, profile);
 
   profile->GetHostContentSettingsMap()->UpdateLastUsage(
@@ -244,14 +241,24 @@ void PlatformNotificationServiceImpl::DisplayPersistentNotification(
 
 void PlatformNotificationServiceImpl::ClosePersistentNotification(
     content::BrowserContext* browser_context,
-    const std::string& persistent_notification_id) {
+    int64_t persistent_notification_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   Profile* profile = Profile::FromBrowserContext(browser_context);
   DCHECK(profile);
 
+  auto iter = persistent_notifications_.find(persistent_notification_id);
+  if (iter == persistent_notifications_.end()) {
+#if defined(OS_ANDROID)
+    DLOG(ERROR) << "Implement Android behavior";
+#endif
+    return;
+  }
+
   GetNotificationUIManager()->CancelById(
-      persistent_notification_id, NotificationUIManager::GetProfileID(profile));
+      iter->second, NotificationUIManager::GetProfileID(profile));
+
+  persistent_notifications_.erase(iter);
 }
 
 Notification PlatformNotificationServiceImpl::CreateNotificationFromData(