From 20b131af172ac07ebc817bc24b3601d27a939646 Mon Sep 17 00:00:00 2001
From: Anthony Ramine <n.oxyde@gmail.com>
Date: Tue, 6 Sep 2016 15:31:43 +0200
Subject: [PATCH] Implement Borrow<str> for DOMString

Useful to use DOMString as a HashMap key type.
---
 components/script/dom/bindings/str.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/components/script/dom/bindings/str.rs b/components/script/dom/bindings/str.rs
index c73a08d182b7..2e28a1b314e7 100644
--- a/components/script/dom/bindings/str.rs
+++ b/components/script/dom/bindings/str.rs
@@ -5,7 +5,7 @@
 //! The `ByteString` struct.
 
 use std::ascii::AsciiExt;
-use std::borrow::{ToOwned, Cow};
+use std::borrow::{Borrow, Cow, ToOwned};
 use std::fmt;
 use std::hash::{Hash, Hasher};
 use std::ops;
@@ -180,6 +180,13 @@ impl DOMString {
     }
 }
 
+impl Borrow<str> for DOMString {
+    #[inline]
+    fn borrow(&self) -> &str {
+        &self.0
+    }
+}
+
 impl Default for DOMString {
     fn default() -> Self {
         DOMString(String::new())