Adding slightly clearer separation between SW and EmbeddedWorker (still incomplete)

content/browser/service_worker/service_worker_version.h

Index: content/browser/service_worker/service_worker_version.h
diff --git a/content/browser/service_worker/service_worker_version.h b/content/browser/service_worker/service_worker_version.h
index 46b75bd6866030d1e9edf3b4756be284e10b1adf..3fae7d9cfde0b406c5c4ec9cbd2ad4a9955a7521 100644
--- a/content/browser/service_worker/service_worker_version.h
+++ b/content/browser/service_worker/service_worker_version.h
@@ -19,6 +19,7 @@ class EmbeddedWorkerInstance;
 class EmbeddedWorkerRegistry;
 class ServiceWorkerProviderHost;
 class ServiceWorkerRegistration;
+struct ServiceWorkerFetchRequest;
 
 // This class corresponds to a specific version of a ServiceWorker
 // script for a given pattern. When a script is upgraded, there may be
@@ -69,6 +70,11 @@ class CONTENT_EXPORT ServiceWorkerVersion
   void StartWorker();
   void StopWorker();
 
+  // Sends fetch event to the associated embedded worker.
+  // This immediately returns false if the worker is not running
+  // or sending a message to the child process fails.
+  bool DispatchFetchEvent(const ServiceWorkerFetchRequest& request);
+
   // Called when this version is associated to a provider host.
   // Non-null |provider_host| must be given.
   void OnAssociateProvider(ServiceWorkerProviderHost* provider_host);