ServiceWorker: Should throw TypeError instead of Unknown/SecurityError.

content/renderer/service_worker/service_worker_context_client.cc

Index: content/renderer/service_worker/service_worker_context_client.cc
diff --git a/content/renderer/service_worker/service_worker_context_client.cc b/content/renderer/service_worker/service_worker_context_client.cc
index 7a5e37e75930e44bd93e8d30ccd006722b4d4491..62bfb8517986377788c181b1db546298a95f9957 100644
--- a/content/renderer/service_worker/service_worker_context_client.cc
+++ b/content/renderer/service_worker/service_worker_context_client.cc
@@ -866,7 +866,7 @@ void ServiceWorkerContextClient::OnOpenWindowError(
     return;
   }
   callbacks->onError(blink::WebServiceWorkerError(
-      blink::WebServiceWorkerError::ErrorTypeUnknown,
+      blink::WebServiceWorkerError::ErrorTypeNavigation,
       blink::WebString::fromUTF8(message)));
   context_->client_callbacks.Remove(request_id);
 }
@@ -929,7 +929,7 @@ void ServiceWorkerContextClient::OnNavigateClientError(int request_id,
   }
   std::string message = "Cannot navigate to URL: " + url.spec();
   callbacks->onError(blink::WebServiceWorkerError(
-      blink::WebServiceWorkerError::ErrorTypeUnknown,
+      blink::WebServiceWorkerError::ErrorTypeNavigation,
       blink::WebString::fromUTF8(message)));
   context_->client_callbacks.Remove(request_id);
 }