Update the PushEvent to have a nullable PushMessageData

content/renderer/service_worker/service_worker_context_client.cc

 // Copyright 2015 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/renderer/service_worker/service_worker_context_client.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 14 matching lines @@
 #include "content/child/service_worker/web_service_worker_provider_impl.h"
 #include "content/child/service_worker/web_service_worker_registration_impl.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/child/webmessageportchannel_impl.h"
 #include "content/common/devtools_messages.h"
 #include "content/common/geofencing_messages.h"
 #include "content/common/message_port_messages.h"
 #include "content/common/mojo/service_registry_impl.h"
 #include "content/common/service_worker/embedded_worker_messages.h"
 #include "content/common/service_worker/service_worker_messages.h"
+#include "content/public/common/push_event_payload.h"
 #include "content/public/common/referrer.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/public/renderer/document_state.h"
 #include "content/renderer/background_sync/background_sync_client_impl.h"
 #include "content/renderer/devtools/devtools_agent.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/service_worker/embedded_worker_dispatcher.h"
 #include "content/renderer/service_worker/service_worker_type_util.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_message_macros.h"
@@ skipping 709 matching lines @@
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerContextClient::OnNotificationClickEvent");
   proxy_->dispatchNotificationClickEvent(
       request_id,
       persistent_notification_id,
       ToWebNotificationData(notification_data),
       action_index);
 }
 
 void ServiceWorkerContextClient::OnPushEvent(int request_id,
-                                             const std::string& data) {
+                                             const PushEventPayload& payload) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerContextClient::OnPushEvent");
-  proxy_->dispatchPushEvent(request_id, blink::WebString::fromUTF8(data));
+  // Only set data to be a valid string if the payload had decrypted data.
+  blink::WebString data;
+  if (!payload.is_null)
+    data.assign(blink::WebString::fromUTF8(payload.data));
+  proxy_->dispatchPushEvent(request_id, data);
 }
 
 void ServiceWorkerContextClient::OnGeofencingEvent(
     int request_id,
     blink::WebGeofencingEventType event_type,
     const std::string& region_id,
     const blink::WebCircularGeofencingRegion& region) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerContextClient::OnGeofencingEvent");
   proxy_->dispatchGeofencingEvent(
@@ skipping 209 matching lines @@
 }
 
 base::WeakPtr<ServiceWorkerContextClient>
 ServiceWorkerContextClient::GetWeakPtr() {
   DCHECK(worker_task_runner_->RunsTasksOnCurrentThread());
   DCHECK(context_);
   return context_->weak_factory.GetWeakPtr();
 }
 
 }  // namespace content