From 7edd25890d6346e4337448b3aecd232bff31d88f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
Date: Thu, 8 Feb 2018 16:03:47 +0100
Subject: [PATCH] style: Introduce AuthorStyleSheetSet.

MozReview-Commit-ID: K3ciocPJuz3
---
 components/style/stylesheet_set.rs | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/components/style/stylesheet_set.rs b/components/style/stylesheet_set.rs
index fcaebe5b7c6..6f41be45fe7 100644
--- a/components/style/stylesheet_set.rs
+++ b/components/style/stylesheet_set.rs
@@ -587,3 +587,29 @@ where
         }
     }
 }
+
+/// The set of stylesheets effective for a given XBL binding or Shadow Root.
+pub struct AuthorStylesheetSet<S>
+where
+    S: StylesheetInDocument + PartialEq + 'static,
+{
+    /// The actual style sheets.
+    collection: SheetCollection<S>,
+    /// The set of invalidations scheduled for this collection.
+    invalidations: StylesheetInvalidationSet,
+}
+
+impl<S> AuthorStylesheetSet<S>
+where
+    S: StylesheetInDocument + PartialEq + 'static,
+{
+    fn collection_for(
+        &mut self,
+        _sheet: &S,
+        _guard: &SharedRwLockReadGuard,
+    ) -> &mut SheetCollection<S> {
+        &mut self.collection
+    }
+
+    sheet_set_methods!("AuthorStylesheetSet");
+}