Link to the Storage spec for persistent-storage's definition (#133)

* Don't use an IDL block for PermissionName, so that it can link outside the local spec.

* Remove the local persistent-storage definition now that it's defined in the Storage spec. (whatwg/storage#36)

index.bs

@@ -653,19 +653,21 @@ spec: webidl
  <h2 id="permission-registry">
  Permission Registry
  </h2>
- <pre class='idl' title=''>
- enum PermissionName {
- "geolocation",
- "notifications",
- "push",
- "midi",
- "camera",
- "microphone",
- "speaker",
- "device-info",
- "background-sync",
- "bluetooth",
- "persistent-storage",
+ <!-- IDL blocks can't link outside the current spec, but these enum-values are
+ supposed to be defined in other specs. -->
+ <pre class='lang-webidl' link-for="PermissionName">
+ enum <dfn enum>PermissionName</dfn> {
+ <a enum-value>"geolocation"</a>,
+ <a enum-value>"notifications"</a>,
+ <a enum-value>"push"</a>,
+ <a enum-value>"midi"</a>,
+ <a enum-value>"camera"</a>,
+ <a enum-value>"microphone"</a>,
+ <a enum-value>"speaker"</a>,
+ <a enum-value>"device-info"</a>,
+ <a enum-value>"background-sync"</a>,
+ <a enum-value>"bluetooth"</a>,
+ <a enum-value>"persistent-storage"</a>,
  };
  </pre>
  <p>
@@ -969,25 +971,6 @@ spec: webidl
  [[web-background-sync]].
  </p>
  </section>
- <section>
- <h3 id="persistent-storage">
- Persistent Storage
- </h3>
- <p>
- The <dfn for="PermissionName" enum-value>"persistent-storage"</dfn>
- permission allows an origin to make its <a>site storage unit</a> contain a
- <a>persistent box</a>. {{"persistent-storage"}} is a <a>boolean
- feature</a>.
- </p>
- <p>
- If a <a>realm</a> with <a>origin</a> |O| <a lt="request permission to
- use">requests permission to use</a> `{name: "persistent-storage"}` and
- that algorithm returns {{"granted"}}, then `{name:
- "persistent-storage"}`'s <a>permission state</a> must be {{"granted"}} in
- all <a>realms</a> with <a>origin</a> |O| until the UA receives <a>new
- information about the user's intent</a>.
- </p>
- </section>
 </section>
 <section class='non-normative'>
  <h2 id="examples">