Add link default for browsing context

Author: birtles

Overview.bs

@@ -8,10 +8,9 @@ ED: https://wicg.github.io/scroll-animations/
 Shortname: scroll-animations
 Abstract: Defines an API and markup for creating animations that are either
           triggered by or tied to the scroll offset of a scroll container.
-Editor: Dean Jackson <dino@apple.com>
 Editor: Brian Birtles <bbirtles@mozilla.com>
 Editor: Botond Ballo <botond@mozilla.com>
-Editor: Mantaroh Yoshinaga <mantaroh@mozilla-japan.org>
+Editor: Mantaroh Yoshinaga <mantaroh@mozilla.com>
 !Issue Tracking: <a href="https://github.com/WICG/scroll-animations/issues">GitHub Issues</a>
 </pre>
 <pre class=anchors>
@@ -27,6 +26,9 @@ urlPrefix: https://w3c.github.io/web-animations/; type: dfn; spec: web-animation
 urlPrefix: https://drafts.csswg.org/cssom-view/; type: dfn; spec: cssom-view-1
     text: CSS layout box
 </pre>
+<pre class=link-defaults>
+spec:html; type:dfn; for:/; text:browsing context
+</pre>
 
 # Introduction # {#intro}