Identify service worker version at main resource load time.

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 "base/strings/string16.h"
 #include "content/common/service_worker/service_worker_status_code.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "ipc/ipc_message_macros.h"
@@ skipping 37 matching lines @@
                      int32 /* thread_id */,
                      int32 /* request_id */,
                      GURL /* scope (url pattern) */)
 
 // Sends a 'message' event to a service worker (renderer->browser).
 IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_PostMessage,
                      int64 /* registration_id */,
                      base::string16 /* message */,
                      std::vector<int> /* sent_message_port_ids */)
 
+// Informs the browser of a new ServiceWorkerProvider in the child process,
+// |provider_id| is unique within its child process.
+IPC_MESSAGE_CONTROL1(ServiceWorkerHostMsg_ProviderCreated,
+                     int /* provider_id */)
+
+// Informs the browser of a ServiceWorkerProvider being destroyed.
+IPC_MESSAGE_CONTROL1(ServiceWorkerHostMsg_ProviderDestroyed,
+                     int /* provider_id */)
+
+// Informs the browser that |provider_id| is associated
+// with a service worker script running context and
+// |version_id| identifies which ServcieWorkerVersion.
+IPC_MESSAGE_CONTROL2(ServiceWorkerHostMsg_SetVersionId,
+                     int /* provider_id */,
+                     int64 /* version_id */)
+
+// Informs the browser of a new scriptable API client in the child process.
+IPC_MESSAGE_CONTROL2(ServiceWorkerHostMsg_AddScriptClient,
+                     int /* thread_id */,
+                     int /* provider_id */)
+
+// Informs the browser that the scriptable API client is unregistered.
+IPC_MESSAGE_CONTROL2(ServiceWorkerHostMsg_RemoveScriptClient,
+                     int /* thread_id */,
+                     int /* provider_id */)
+
+// Informs the browser that install event handling has finished.
+// Sent via EmbeddedWorker. If there was an exception during the
+// event handling it'll be reported back separately (to be propagated
+// to the documents).
+IPC_MESSAGE_CONTROL0(ServiceWorkerHostMsg_InstallEventFinished)
+
+// Informs the browser that fetch event handling has finished.
+IPC_MESSAGE_CONTROL2(ServiceWorkerHostMsg_FetchEventFinished,
+                     content::ServiceWorkerFetchEventResult,
+                     content::ServiceWorkerResponse)
+
 // Messages sent from the browser to the child process.
 
 // Response to ServiceWorkerMsg_RegisterServiceWorker
 IPC_MESSAGE_CONTROL3(ServiceWorkerMsg_ServiceWorkerRegistered,
                      int32 /* thread_id */,
                      int32 /* request_id */,
                      int64 /* service_worker_id */)
 
 // Response to ServiceWorkerMsg_UnregisterServiceWorker
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_ServiceWorkerUnregistered,
@@ skipping 15 matching lines @@
 // Sent via EmbeddedWorker to dispatch fetch event.
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_FetchEvent,
                      content::ServiceWorkerFetchRequest)
 
 // Sends a 'message' event to a service worker (browser->EmbeddedWorker).
 IPC_MESSAGE_CONTROL3(ServiceWorkerMsg_Message,
                      base::string16 /* message */,
                      std::vector<int> /* sent_message_port_ids */,
                      std::vector<int> /* new_routing_ids */)
 
-// Informs the browser of a new ServiceWorkerProvider in the child process,
-// |provider_id| is unique within its child process.
-IPC_MESSAGE_CONTROL1(ServiceWorkerHostMsg_ProviderCreated,
-                     int /* provider_id */)
-
-// Informs the browser of a ServiceWorkerProvider being destroyed.
-IPC_MESSAGE_CONTROL1(ServiceWorkerHostMsg_ProviderDestroyed,
-                     int /* provider_id */)
-
-// Informs the browser of a new scriptable API client in the child process.
-IPC_MESSAGE_CONTROL2(ServiceWorkerHostMsg_AddScriptClient,
-                     int /* thread_id */,
-                     int /* provider_id */)
-
-// Informs the browser that the scriptable API client is unregistered.
-IPC_MESSAGE_CONTROL2(ServiceWorkerHostMsg_RemoveScriptClient,
-                     int /* thread_id */,
-                     int /* provider_id */)
-
-// Informs the browser that install event handling has finished.
-// Sent via EmbeddedWorker. If there was an exception during the
-// event handling it'll be reported back separately (to be propagated
-// to the documents).
-IPC_MESSAGE_CONTROL0(ServiceWorkerHostMsg_InstallEventFinished)
-
-// Informs the browser that fetch event handling has finished.
-IPC_MESSAGE_CONTROL2(ServiceWorkerHostMsg_FetchEventFinished,
-                     content::ServiceWorkerFetchEventResult,
-                     content::ServiceWorkerResponse)