Failure in reading Blob URL should results in network error

content/browser/blob_storage/blob_url_loader_factory.cc

Index: content/browser/blob_storage/blob_url_loader_factory.cc
diff --git a/content/browser/blob_storage/blob_url_loader_factory.cc b/content/browser/blob_storage/blob_url_loader_factory.cc
index 1dbcb19020438095ffeeeeac5d826163e86d4132..9778213c53930e2ae4fb82afa5a5f01cb8c11eb8 100644
--- a/content/browser/blob_storage/blob_url_loader_factory.cc
+++ b/content/browser/blob_storage/blob_url_loader_factory.cc
@@ -136,15 +136,8 @@ class BlobURLLoader : public mojom::URLLoader {
   // object now if possible (i.e. no outstanding data pipe), otherwise this
   // object will be deleted when the data pipe is closed.
   void NotifyCompleted(int error_code) {
-    if (error_code != net::OK && !sent_headers_) {
-      net::HttpStatusCode status_code =
-          storage::BlobURLRequestJob::NetErrorToHttpStatusCode(error_code);
-      ResourceResponseHead response;
-      response.headers = storage::BlobURLRequestJob::GenerateHeaders(
-          status_code, nullptr, nullptr, nullptr, nullptr);
-      client_->OnReceiveResponse(response, base::nullopt, nullptr);
-    }
     ResourceRequestCompletionStatus request_complete_data;
+    request_complete_data.error_code = error_code;
     client_->OnComplete(request_complete_data);
 
     DeleteIfNeeded();