Only finalize after finale

fetch.bs

@@ -2048,6 +2048,9 @@ this is also tracked internally using the request's <a for=request>timing allow
 <dfn export for=response>service worker timing info</dfn> (null or a
 <a for=/>service worker timing info</a>), which is initially null.
 
+<p>A <a for=/>response</a> has an associated
+<dfn for=response>finalize</dfn> (null or an algorithm with no parameters), which is initially null.
+
 <hr>
 
 <p>A <a for=/>response</a> whose
@@ -4124,6 +4127,22 @@ steps:
 <a for=/>response</a> <var>response</var>, run these steps:
 
 <ol>
+ <li>
+  <p>Let <var>finalizeResponse</var> be the following steps:</p>
+  <ol>
+   <li><p>If <var>fetchParams</var>'s <a for="fetch params">request</a>'s
+   <a for=request>done flag</a> is set, then return.
+
+   <li><p>Set <var>fetchParams</var>'s <a for="fetch params">request</a>'s
+   <a for=request>done flag</a>.
+
+   <li><p>If <var>fetchParams</var>'s <a for="fetch params">process response done</a> is not null,
+   then <a>queue a fetch task</a> to run <var>fetchParams</var>'s
+   <a for="fetch params">process response done</a> given <var>response</var>,
+   with <var>fetchParams</var>'s <a for="fetch params">task destination</a>.
+  </ol>
+ </li>
+
  <li>
   <p>If <var>response</var> is a <a>network error</a>, then:
 
@@ -4140,6 +4159,9 @@ steps:
    <a>creating an opaque timing info</a> for <var>fetchParams</var>'s
    <a for="fetch params">timing info</a>.
   </ol>
+
+  <p>Otherwise, set <var>response</var>'s <a for="response">finalize</a> to
+  <var>finalizeResponse</var>.</p>
  </li>
 
  <li><p>If <var>fetchParams</var>'s <a for="fetch params">process response</a> is non-null, then
@@ -4168,24 +4190,10 @@ steps:
    <a for="fetch params">task destination</a>.
   </ol>
 
- <li><p>If <var>response</var> is a <a>network error</a>, then <a>finalize response</a> for
- <var>fetchParams</var> and <var>response</var>.
-</ol>
-
-<p>To <dfn>finalize response</dfn> given a <a for=/>fetch params</a> <var>fetchParams</var> and a
-<a for=/>response</a> <var>response</var>, run these steps:
-
-<ol>
- <li><p>If <var>fetchParams</var>'s <a for="fetch params">request</a>'s <a for=request>done flag</a>
- is set, then return.
-
- <li><p>Set <var>fetchParams</var>'s <a for="fetch params">request</a>'s
- <a for=request>done flag</a>.
-
- <li><p>If <var>fetchParams</var>'s <a for="fetch params">process response done</a> is not null,
- then <a>queue a fetch task</a> to run <var>fetchParams</var>'s
- <a for="fetch params">process response done</a> given <var>response</var>,
- with <var>fetchParams</var>'s <a for="fetch params">task destination</a>.
+ <li>
+  <p>If <var>response</var> is a <a>network error</a>, then call
+  <var>finalizeResponse</var>.
+ </li>
 </ol>
 
 <p>To <dfn export>finalize and report timing</dfn> given a <a for=/>response</a>
@@ -5531,18 +5539,20 @@ optional boolean <var>forceNewConnection</var> (default false), run these steps:
          agent to <a for=fetch>suspend</a> the ongoing fetch.
         </ol>
 
-       <li><p>Otherwise, if the bytes transmission for <var>response</var>'s message body is done
-       normally and <var>stream</var> is <a for=ReadableStream>readable</a>, then
-       <a for=ReadableStream>close</a> <var>stream</var>, <a for=/>finalize response</a> for
-       <var>fetchParams</var> and <var>response</var>, and abort these in-parallel steps.
+       <li><p>Otherwise, if <var>response</var>'s <a for=response>finalize</a> is not null, the
+       bytes transmission for <var>response</var>'s message body is done normally and
+       <var>stream</var> is <a for=ReadableStream>readable</a>, then <a for=ReadableStream>close</a>
+       <var>stream</var>, call <var>response</var>'s <a for=response>finalize</a>, and abort these
+       in-parallel steps.
       </ol>
     </ol>
 
    <li>
     <p><a>If aborted</a>, then:
 
     <ol>
-     <li><a for=/>Finalize response</a> for <var>fetchParams</var> and <var>response</var>.
+     <li>If <var>response</var>'s <a for=response>finalize</a> is not null, <var>response</var>'s\
+     <a for=response>finalize</a>.
 
      <li><p>Let <var>aborted</var> be the termination's aborted flag.