From 7f75a881a42c9ca71cdf79547dcf04e326f9ecfe Mon Sep 17 00:00:00 2001
From: Brandon Fairchild <csbit32@gmail.com>
Date: Tue, 17 Nov 2015 17:02:01 -0500
Subject: [PATCH] Make Stylesheet::is_effective_for_device more idiomatic

---
 components/style/stylesheets.rs | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/components/style/stylesheets.rs b/components/style/stylesheets.rs
index 00e9def4900..c65706b27ce 100644
--- a/components/style/stylesheets.rs
+++ b/components/style/stylesheets.rs
@@ -148,10 +148,7 @@ impl Stylesheet {
     ///
     /// Always true if no associated MediaQueryList exists.
     pub fn is_effective_for_device(&self, device: &Device) -> bool {
-        match self.media {
-            Some(ref media) => media.evaluate(device),
-            None => true
-        }
+        self.media.as_ref().map_or(true, |ref media| media.evaluate(device))
     }
 
     /// Return an iterator over all the rules within the style-sheet.