Implement the ability to get all notifications in Chromium.

content/child/notifications/notification_manager.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/child/notifications/notification_manager.h"
 
 #include "base/lazy_instance.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 262 matching lines @@
   DCHECK(callbacks);
   if (!callbacks)
     return;
 
   scoped_ptr<blink::WebVector<blink::WebPersistentNotificationInfo>>
       notifications(new blink::WebVector<blink::WebPersistentNotificationInfo>(
           notification_infos.size()));
 
   for (size_t i = 0; i < notification_infos.size(); ++i) {
     blink::WebPersistentNotificationInfo web_notification_info;
+
+    // TODO(peter): Stop converting the notification id to a string when the
+    // Blink API has been updated to support integral ids.
     web_notification_info.persistentNotificationId =
-        blink::WebString::fromUTF8(notification_infos[i].first);
+        base::Int64ToString16(notification_infos[i].first);
     web_notification_info.data =
         ToWebNotificationData(notification_infos[i].second);
 
     (*notifications)[i] = web_notification_info;
   }
 
   callbacks->onSuccess(notifications.release());
 
   pending_get_notification_requests_.Remove(request_id);
 }
@@ skipping 32 matching lines @@
   thread_safe_sender_->Send(
       new PlatformNotificationHostMsg_ShowPersistent(
           request_id,
           service_worker_registration_id,
           GURL(origin.string()),
           icon,
           ToPlatformNotificationData(notification_data)));
 }
 
 }  // namespace content