Identify service worker version at main resource load time.

content/child/service_worker/service_worker_network_provider.h

Index: content/child/service_worker/service_worker_network_provider.h
diff --git a/content/child/service_worker/service_worker_network_provider.h b/content/child/service_worker/service_worker_network_provider.h
index f4186fe883af93cd9e1966c6616aa3700cdd2b66..400918f969d96ea9c7050eb9f03ee94a8e215527 100644
--- a/content/child/service_worker/service_worker_network_provider.h
+++ b/content/child/service_worker/service_worker_network_provider.h
@@ -38,6 +38,11 @@ class CONTENT_EXPORT ServiceWorkerNetworkProvider
 
   int provider_id() const { return provider_id_; }
 
+  // This method is called for a provider that's associated with a
+  // running service worker script. The version_id indicates which
+  // ServiceWorkerVersion should be used.
+  void SetServiceWorkerVersionId(int64 version_id);
+
  private:
   const int provider_id_;
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerNetworkProvider);