1 files changed, 5 insertions, 6 deletions
diff --git a/components/script/dom/blob.rs b/components/script/dom/blob.rs
index bfecd088bbe..47d03d72082 100644
--- a/components/script/dom/blob.rs
+++ b/components/script/dom/blob.rs
@@ -70,12 +70,11 @@ impl Blob {
         //TODO: accept other blobParts types - ArrayBuffer or ArrayBufferView or Blob
         let bytes: Option<Vec<u8>> = Some(blobParts.into_bytes());
         let typeString = if is_ascii_printable(&blobPropertyBag.type_) {
-            blobPropertyBag.type_.as_slice()
+            &*blobPropertyBag.type_
         } else {
             ""
         };
-        let typeStrLower = typeString.as_slice().to_ascii_lowercase();
-        Ok(Blob::new(global, bytes, typeStrLower.as_slice()))
+        Ok(Blob::new(global, bytes, &typeString.to_ascii_lowercase()))
     }
 }
 
@@ -121,7 +120,7 @@ impl<'a> BlobMethods for JSRef<'a, Blob> {
             None => "".to_owned(),
             Some(str) => {
                 if is_ascii_printable(&str) {
-                    str.as_slice().to_ascii_lowercase().to_owned()
+                    str.to_ascii_lowercase()
                 } else {
                     "".to_owned()
                 }
@@ -130,13 +129,13 @@ impl<'a> BlobMethods for JSRef<'a, Blob> {
         let span: i64 = max(relativeEnd - relativeStart, 0);
         let global = self.global.root();
         match self.bytes {
-            None => Blob::new(global.r(), None, relativeContentType.as_slice()),
+            None => Blob::new(global.r(), None, &relativeContentType),
             Some(ref vec) => {
                 let start = relativeStart.to_usize().unwrap();
                 let end = (relativeStart + span).to_usize().unwrap();
                 let mut bytes: Vec<u8> = Vec::new();
                 bytes.push_all(&vec[start..end]);
-                Blob::new(global.r(), Some(bytes), relativeContentType.as_slice())
+                Blob::new(global.r(), Some(bytes), &relativeContentType)
             }
         }
     }