Move Service Worker %2f path validation logic from browser into Blink (1)

content/child/service_worker/web_service_worker_provider_impl.h

Index: content/child/service_worker/web_service_worker_provider_impl.h
diff --git a/content/child/service_worker/web_service_worker_provider_impl.h b/content/child/service_worker/web_service_worker_provider_impl.h
index 3d607bf98a76ea84094255a93e61862b41448575..c40cc321161b07fea1420b77f267c4124c031c8a 100644
--- a/content/child/service_worker/web_service_worker_provider_impl.h
+++ b/content/child/service_worker/web_service_worker_provider_impl.h
@@ -39,6 +39,9 @@ class WebServiceWorkerProviderImpl
   virtual void getRegistrations(WebServiceWorkerGetRegistrationsCallbacks*);
   virtual void getRegistrationForReady(
       WebServiceWorkerGetRegistrationForReadyCallbacks*);
+  virtual bool validateScopeAndScriptURL(const blink::WebURL& pattern,
+                                         const blink::WebURL& script_url,
+                                         blink::WebString* error_message);
 
   int provider_id() const;