Auto merge of #11656 - Ms2ger:reduce-dom-exposure, r=nox

Reduce the amount of dom code used outside the script crate.

<!-- Reviewable:start -->
This change is [<img src="https://reviewable.io/review_button.svg" height="35" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/11656)
<!-- Reviewable:end -->

1 files changed, 0 insertions, 7 deletions

diff --git a/components/script/dom/bindings/str.rs b/components/script/dom/bindings/str.rs
index 3ee685fbe02..69565520899 100644
--- a/components/script/dom/bindings/str.rs
+++ b/components/script/dom/bindings/str.rs
@@ -8,7 +8,6 @@ use std::ascii::AsciiExt;
 use std::borrow::ToOwned;
 use std::fmt;
 use std::hash::{Hash, Hasher};
-use std::mem;
 use std::ops;
 use std::ops::{Deref, DerefMut};
 use std::str;
@@ -31,12 +30,6 @@ impl ByteString {
         str::from_utf8(&self.0).ok()
     }
 
-    /// Returns ownership of the underlying Vec<u8> and copies an empty
-    /// vec in its place
-    pub fn bytes(&mut self) -> Vec<u8> {
-        mem::replace(&mut self.0, Vec::new())
-    }
-
     /// Returns the length.
     pub fn len(&self) -> usize {
         self.0.len()