[WIP] off-main-thread loading

third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerNetworkProvider.h

Index: third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerNetworkProvider.h
diff --git a/third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerNetworkProvider.h b/third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerNetworkProvider.h
index 39db99726f22917c7b7b2242345619f067d3d1b5..c29940209c5218537afd569fa4ba7122c915b8f0 100644
--- a/third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerNetworkProvider.h
+++ b/third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerNetworkProvider.h
@@ -58,6 +58,11 @@ class WebServiceWorkerNetworkProvider {
   // Returns an identifier of the service worker controlling the document
   // associated with the WebDataSource.
   virtual int64_t serviceWorkerID() { return -1; }
+
+  virtual int providerID() {
+    NOTIMPLEMENTED();
+    return -1;
+  }
 };
 
 }  // namespace blink