Update the PushEvent to have a nullable PushMessageData

content/browser/devtools/protocol/service_worker_handler.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/browser/devtools/protocol/service_worker_handler.h"
 
 #include "base/bind.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/devtools/service_worker_devtools_agent_host.h"
 #include "content/browser/devtools/service_worker_devtools_manager.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/service_worker/service_worker_context_watcher.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/browser/service_worker/service_worker_version.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/push_event_payload.h"
 #include "content/public/common/push_messaging_status.h"
 #include "url/gurl.h"
 
 // Windows headers will redefine SendMessage.
 #ifdef SendMessage
 #undef SendMessage
 #endif
 
 namespace content {
 namespace devtools {
@@ skipping 394 matching lines @@
     const std::string& origin,
     const std::string& registration_id,
     const std::string& data) {
   if (!enabled_)
     return Response::OK();
   if (!render_frame_host_)
     return CreateContextErrorResponse();
   int64_t id = 0;
   if (!base::StringToInt64(registration_id, &id))
     return CreateInvalidVersionIdErrorResponse();
+  PushEventPayload payload;
+  if (data.size() > 0)
+    payload.setData(data);
   BrowserContext::DeliverPushMessage(
       render_frame_host_->GetProcess()->GetBrowserContext(), GURL(origin), id,
-      data, base::Bind(&PushDeliveryNoOp));
+      payload, base::Bind(&PushDeliveryNoOp));
   return Response::OK();
 }
 
 Response ServiceWorkerHandler::GetTargetInfo(
     const std::string& target_id,
     scoped_refptr<TargetInfo>* target_info) {
   scoped_refptr<DevToolsAgentHost> agent_host(
       DevToolsAgentHost::GetForId(target_id));
   if (!agent_host)
     return Response::InvalidParams("targetId");
@@ skipping 137 matching lines @@
     return;
   host->DetachClient();
   client_->WorkerTerminated(WorkerTerminatedParams::Create()->
       set_worker_id(host->GetId()));
   attached_hosts_.erase(it);
 }
 
 }  // namespace service_worker
 }  // namespace devtools
 }  // namespace content