ServiceWorker: Implement 'source' and 'origin' attributes of ExtendableMessageEvent

content/common/service_worker/service_worker_messages.h

Index: content/common/service_worker/service_worker_messages.h
diff --git a/content/common/service_worker/service_worker_messages.h b/content/common/service_worker/service_worker_messages.h
index 2bd68cddea784fac88f71b022b2be7ca5cd31089..0613d6b55743a855f57fdfdf47c9cf637b47844c 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -55,6 +55,11 @@ IPC_ENUM_TRAITS_MAX_VALUE(content::ServiceWorkerProviderType,
 IPC_ENUM_TRAITS_MAX_VALUE(content::ServiceWorkerFetchType,
                           content::ServiceWorkerFetchType::LAST)
 
+IPC_STRUCT_TRAITS_BEGIN(content::ExtendableMessageEventSource)
+  IPC_STRUCT_TRAITS_MEMBER(client_info)
+  IPC_STRUCT_TRAITS_MEMBER(service_worker_info)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerFetchRequest)
   IPC_STRUCT_TRAITS_MEMBER(mode)
   IPC_STRUCT_TRAITS_MEMBER(is_main_resource_load)
@@ -183,9 +188,10 @@ IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_GetRegistrationForReady,
                      int /* provider_id */)
 
 // Sends ExtendableMessageEvent to a service worker (renderer->browser).
-IPC_MESSAGE_CONTROL3(
+IPC_MESSAGE_CONTROL4(
     ServiceWorkerHostMsg_PostMessageToWorker,
     int /* handle_id */,
+    int /* provider_id */,
     base::string16 /* message */,
     std::vector<content::TransferredMessagePort> /* sent_message_ports */)
 
@@ -467,12 +473,13 @@ IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_InstallEvent,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_ActivateEvent,
                      int /* request_id */)
-IPC_MESSAGE_CONTROL4(
+IPC_MESSAGE_CONTROL5(
     ServiceWorkerMsg_ExtendableMessageEvent,
     int /* request_id */,
     base::string16 /* message */,
     std::vector<content::TransferredMessagePort> /* sent_message_ports */,
-    std::vector<int> /* new_routing_ids */)
+    std::vector<int> /* new_routing_ids */,
+    content::ExtendableMessageEventSource)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_FetchEvent,
                      int /* request_id */,
                      content::ServiceWorkerFetchRequest)