Update the PushEvent to have a nullable PushMessageData

content/browser/service_worker/service_worker_internals_ui.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/browser/service_worker/service_worker_internals_ui.h"
 
 #include <stdint.h>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "content/browser/devtools/devtools_agent_host_impl.h"
 #include "content/browser/devtools/service_worker_devtools_manager.h"
 #include "content/browser/service_worker/service_worker_context_observer.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/browser/service_worker/service_worker_registration.h"
 #include "content/browser/service_worker/service_worker_version.h"
 #include "content/grit/content_resources.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
+#include "content/public/common/push_event_payload.h"
 #include "content/public/common/url_constants.h"
 
 using base::DictionaryValue;
 using base::FundamentalValue;
 using base::ListValue;
 using base::StringValue;
 using base::Value;
 using base::WeakPtr;
 
 namespace content {
@@ skipping 64 matching lines @@
                    callback));
     return;
   }
 
   scoped_refptr<ServiceWorkerVersion> version =
       context->GetLiveVersion(version_id);
   if (!version.get()) {
     callback.Run(SERVICE_WORKER_ERROR_NOT_FOUND);
     return;
   }
-  std::string data = "Test push message from ServiceWorkerInternals.";
-  version->DispatchPushEvent(callback, data);
+  PushEventPayload payload;
+  payload.setData("Test push message from ServiceWorkerInternals.");
+  version->DispatchPushEvent(callback, payload);
 }
 
 void UpdateVersionInfo(const ServiceWorkerVersionInfo& version,
                        DictionaryValue* info) {
   switch (version.running_status) {
     case ServiceWorkerVersion::STOPPED:
       info->SetString("running_status", "STOPPED");
       break;
     case ServiceWorkerVersion::STARTING:
       info->SetString("running_status", "STARTING");
@@ skipping 489 matching lines @@
     callback.Run(SERVICE_WORKER_ERROR_ABORT);
     return;
   }
 
   // ServiceWorkerContextWrapper::UnregisterServiceWorker doesn't work here
   // because that reduces a status code to boolean.
   context->context()->UnregisterServiceWorker(scope, callback);
 }
 
 }  // namespace content