Initial implementation of stashed message ports, content side

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 2c40c232758c01460e31030bc3c993ebc20a8cad..a54b39090fab6f84820e433a47ee4a3a7a4d8c5e 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -257,6 +257,11 @@ IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_SkipWaiting,
 IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_ClaimClients,
                     int /* request_id */)
 
+// Asks the browser to stash a message port, giving it a name.
+IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_StashMessagePort,
+                    int /* message_port_id */,
+                    base::string16 /* name */)
+
 //---------------------------------------------------------------------------
 // Messages sent from the browser to the child process.
 //
@@ -439,3 +444,10 @@ IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_OpenWindowError,
 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 */)