From 47c9f1912150b41695810f6c987f0ca208547bd4 Mon Sep 17 00:00:00 2001
From: Anthony Ramine <nox@nox.paris>
Date: Tue, 31 Mar 2020 14:02:14 +0200
Subject: [PATCH] Don't clone the result of AttrHelpersForLayout::local_name

There is no need to do that. Embrace returning borrows from the DOM, it good.
---
 components/script/dom/attr.rs    | 6 +++---
 components/script/dom/element.rs | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/components/script/dom/attr.rs b/components/script/dom/attr.rs
index b641fa5d615..a9f832b97bb 100644
--- a/components/script/dom/attr.rs
+++ b/components/script/dom/attr.rs
@@ -237,7 +237,7 @@ pub trait AttrHelpersForLayout<'dom> {
     fn value(self) -> &'dom AttrValue;
     fn as_str(self) -> &'dom str;
     fn as_tokens(self) -> Option<&'dom [Atom]>;
-    fn local_name(self) -> LocalName;
+    fn local_name(self) -> &'dom LocalName;
 }
 
 #[allow(unsafe_code)]
@@ -262,7 +262,7 @@ impl<'dom> AttrHelpersForLayout<'dom> for LayoutDom<'dom, Attr> {
     }
 
     #[inline]
-    fn local_name(self) -> LocalName {
-        unsafe { self.unsafe_get().identifier.local_name.clone() }
+    fn local_name(self) -> &'dom LocalName {
+        unsafe { &self.unsafe_get().identifier.local_name }
     }
 }
diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs
index 35f952a676c..6875d302e67 100644
--- a/components/script/dom/element.rs
+++ b/components/script/dom/element.rs
@@ -578,7 +578,7 @@ pub unsafe fn get_attr_for_layout<'dom>(
         .iter()
         .find(|attr| {
             let attr = attr.to_layout();
-            *name == attr.local_name() && (*attr.unsafe_get()).namespace() == namespace
+            name == attr.local_name() && (*attr.unsafe_get()).namespace() == namespace
         })
         .map(|attr| attr.to_layout())
 }
@@ -610,7 +610,7 @@ impl RawLayoutElementHelpers for Element {
             .iter()
             .filter_map(|attr| {
                 let attr = attr.to_layout();
-                if *name == attr.local_name() {
+                if name == attr.local_name() {
                     Some(attr.value())
                 } else {
                     None