Removed root browsing context from constellation.

servo · May 29, 2017 · 66f61ea · 66f61ea
1 parent fecfd30
commit 66f61ea
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diff --git a/components/constellation/browsingcontext.rs b/components/constellation/browsingcontext.rs
@@ -96,6 +96,11 @@ impl BrowsingContext {
         self.instant = entry.instant;
         self.load_data = entry.load_data;
     }
+
+    /// Is this a top-level browsing context?
+    pub fn is_top_level(&self) -> bool {
+        self.id == self.top_level_id
+    }
 }
 
 /// An entry in a browsing context's session history.