Move user activation to obtain permission (#449)

index.html

@@ -2469,11 +2469,6 @@ <h3><dfn>Writing or pushing content</dfn></h3>
             <a>NFC Adapter</a>, then reject |p| with a {{"NotSupportedError"}}
             {{DOMException}} and return |p|.
           </li>
-          <li>
-            If the algorithm is not <a>triggered by user activation</a>, then
-            reject |p| with a {{"NotAllowedError"}} {{DOMException}} and
-            return |p|.
-          </li>
           <li>
             Let |signal:AbortSignal| be the |options|’ dictionary member
             of the same name if present, or `null` otherwise.
@@ -3405,11 +3400,6 @@ <h3><dfn>Writing or pushing content</dfn></h3>
             {{"NotReadableError"}} {{DOMException}}
             and return |p|.
           </li>
-          <li>
-            If the algorithm is not <a>triggered by user activation</a>, then
-            reject |p| with a {{"NotAllowedError"}} {{DOMException}} and
-            return |p|.
-          </li>
           <li>
             If |reader|.<a>[[\Signal]]</a>'s [= AbortSignal/aborted flag =] is
             set, then reject |p| with a {{"AbortError"}} {{DOMException}}