ServiceWorker: Introduce ServiceWorkerMessageEvent to replace MessageEvent (2/3).

content/common/service_worker/service_worker_messages.h

 // 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.
 
 // Message definition file, included multiple times, hence no include guard.
 
 #include <string>
 #include <vector>
 
 #include "base/strings/string16.h"
@@ skipping 88 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(url)
   IPC_STRUCT_TRAITS_MEMBER(frame_type)
   IPC_STRUCT_TRAITS_MEMBER(client_type)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerClientQueryOptions)
   IPC_STRUCT_TRAITS_MEMBER(client_type)
   IPC_STRUCT_TRAITS_MEMBER(include_uncontrolled)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_BEGIN(ServiceWorkerMsg_MessageToDocument_Params)
+  IPC_STRUCT_MEMBER(int, thread_id)
+  IPC_STRUCT_MEMBER(int, provider_id)
+  IPC_STRUCT_MEMBER(content::ServiceWorkerObjectInfo, service_worker_info)
+  IPC_STRUCT_MEMBER(base::string16, message)
+  IPC_STRUCT_MEMBER(std::vector<content::TransferredMessagePort>, message_ports)
+  IPC_STRUCT_MEMBER(std::vector<int>, new_routing_ids)
+IPC_STRUCT_END()
+
 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebGeofencingEventType,
                           blink::WebGeofencingEventTypeLast)
 
 //---------------------------------------------------------------------------
 // Messages sent from the child process to the browser.
 
 IPC_MESSAGE_CONTROL5(ServiceWorkerHostMsg_RegisterServiceWorker,
                      int /* thread_id */,
                      int /* request_id */,
                      int /* provider_id */,
@@ skipping 269 matching lines @@
 
 // Tells the child process to set the controller ServiceWorker for the given
 // provider.
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_SetControllerServiceWorker,
                      int /* thread_id */,
                      int /* provider_id */,
                      content::ServiceWorkerObjectInfo,
                      bool /* should_notify_controllerchange */)
 
 // Sends a 'message' event to a client document (browser->renderer).
-IPC_MESSAGE_CONTROL5(
-    ServiceWorkerMsg_MessageToDocument,
-    int /* thread_id */,
-    int /* provider_id */,
-    base::string16 /* message */,
-    std::vector<content::TransferredMessagePort> /* sent_message_ports */,
-    std::vector<int> /* new_routing_ids */)
+IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_MessageToDocument,
+                     ServiceWorkerMsg_MessageToDocument_Params)
 
 // Sent via EmbeddedWorker to dispatch events.
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_InstallEvent,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_ActivateEvent,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_FetchEvent,
                      int /* request_id */,
                      content::ServiceWorkerFetchRequest)
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_SyncEvent,
@@ skipping 55 matching lines @@
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_FocusClientResponse,
                      int /* request_id */,
                      content::ServiceWorkerClientInfo /* client */)
 
 // Sent via EmbeddedWorker to transfer a stashed message port to the worker.
 IPC_MESSAGE_CONTROL3(
     ServiceWorkerMsg_SendStashedMessagePorts,
     std::vector<content::TransferredMessagePort> /* stashed_message_ports */,
     std::vector<int> /* new_routing_ids */,
     std::vector<base::string16> /* port_names */)