Throw "invalid cookie domain" as its definition implies (#1955)

Author: yezhizhen

index.html

@@ -7603,20 +7603,20 @@ <h3><dfn data-lt="adding a cookie">Add Cookie</dfn></h3>
  <li><p><a>Try</a> to <a>handle any user prompts</a>
   with <var>session</var>.
 
- <li><p>If <var>session</var>&apos;s <a>current browsing
-  context</a>&apos;s <a>document element</a> is
-  a <a>cookie-averse <code>Document</code> object</a>,
-  return <a>error</a> with <a>error code</a> <a>invalid cookie
-  domain</a>.
-
- <li><p>If <a>cookie name</a> or <a>cookie value</a> is <a><code>null</code></a>,
-  <a>cookie domain</a> is not equal to <var>session</var>&apos;s <a>current
-  browsing context</a>&apos;s <a>active document</a>&apos;s <a>domain</a>,
+  <li><p>If <a>cookie name</a> or <a>cookie value</a> is <a><code>null</code></a>,
   <a>cookie secure only</a> or <a>cookie HTTP only</a> are not boolean types,
   or <a>cookie expiry time</a> is not an integer type, or it less than 0 or greater than
   the <a>maximum safe integer</a>, return <a>error</a> with <a>error
   code</a> <a>invalid argument</a>.
 
+ <li><p>If <var>session</var>&apos;s <a>current browsing
+  context</a>&apos;s <a>document element</a> is
+  a <a>cookie-averse <code>Document</code> object</a> or
+  <a>cookie domain</a> is not equal to <var>session</var>&apos;s <a>current
+  browsing context</a>&apos;s <a>active document</a>&apos;s <a>domain</a>,
+  return <a>error</a> with <a>error code</a> <a>invalid cookie
+  domain</a>.
+
  <li><p><a>Create a cookie</a> in
   the <a>cookie store</a> associated with
   the <a>active document</a>&apos;s <a>address</a>