+{{- NOTE: This is somewhat of a lie since it may be scheduled for a Chrome
+ release already, but hasn't reached Dev channel. That's a bit hard to
+ explain, so until then just pretend it's entirely unreleased. -}}
+<strong>Not fully implemented</strong>.
+ You must build Chromium from source to try this API.
+
+{{- TODO(kalman): Link to an actual article about API/feature availability and
+ feature detection. -}}
+ <a href="http://www.chromium.org/developers">Learn more</a>.