Auto merge of #15563 - servo:update-js, r=nox

Update js.

Fixes #15553.

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1 files changed, 2 insertions, 2 deletions

diff --git a/components/script/dom/filereader.rs b/components/script/dom/filereader.rs
index 039d516db6e..f97f14480c3 100644
--- a/components/script/dom/filereader.rs
+++ b/components/script/dom/filereader.rs
@@ -27,7 +27,7 @@ use js::jsapi::Heap;
 use js::jsapi::JSAutoCompartment;
 use js::jsapi::JSContext;
 use js::jsval::{self, JSVal};
-use js::typedarray::ArrayBuffer;
+use js::typedarray::{ArrayBuffer, CreateWith};
 use rustc_serialize::base64::{CharacterSet, Config, Newline, ToBase64};
 use script_thread::RunnableWrapper;
 use servo_atoms::Atom;
@@ -269,7 +269,7 @@ impl FileReader {
         cx: *mut JSContext, _: ReadMetaData, bytes: &[u8]) {
         unsafe {
             rooted!(in(cx) let mut array_buffer = ptr::null_mut());
-            assert!(ArrayBuffer::create(cx, bytes.len() as u32, Some(bytes), array_buffer.handle_mut()).is_ok());
+            assert!(ArrayBuffer::create(cx, CreateWith::Slice(bytes), array_buffer.handle_mut()).is_ok());
 
             *result.borrow_mut() = Some(FileReaderResult::ArrayBuffer(Heap::default()));