Start of foreign fetch implementation.

third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextClient.h

Index: third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextClient.h
diff --git a/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextClient.h b/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextClient.h
index 8a8a24be6f12bf3af43558c5f0bae63c92746275..473a176916e75dfaa6ed9df1c79c23f21872aad5 100644
--- a/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextClient.h
+++ b/third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextClient.h
@@ -185,6 +185,10 @@ public:
     // WebServiceWorkerClientInfo and WebServiceWorkerError ownerships are
     // passed to the WebServiceWorkerClientsCallbacks implementation.
     virtual void navigate(const WebString& uuid, const WebURL&, WebServiceWorkerClientCallbacks*) { BLINK_ASSERT_NOT_REACHED(); }
+
+    // Called when the worker wants to register subscopes to handle via foreign
+    // fetch. Will only be called while an install event is in progress.
+    virtual void registerForeignFetchScopes(const WebVector<WebURL>& subScopes) { BLINK_ASSERT_NOT_REACHED(); }
 };
 
 } // namespace blink