Allow CORS responses for client requests.

Overview.html

@@ -7,7 +7,7 @@
 
 <p><a class="logo" href="https://whatwg.org/"><img alt="WHATWG" height="100" src="https://resources.whatwg.org/logo-fetch.svg" width="100"></a>
 <h1 id="cors">Fetch</h1>
-<h2 class="no-num no-toc" id="living-standard-—-last-updated-16-july-2015">Living Standard — Last Updated 16 July 2015</h2>
+<h2 class="no-num no-toc" id="living-standard-—-last-updated-17-july-2015">Living Standard — Last Updated 17 July 2015</h2>
 
 <dl>
  <dt>Participate:
@@ -1945,12 +1945,13 @@ <h3 id="http-fetch"><span class="secno">5.3 </span>HTTP fetch</h3>
      <li><var title="">request</var> is <em>not</em> a <a href="#navigation-request">navigation request</a> and
      <var title="">response</var>'s <a href="#concept-response-type" title="concept-response-type">type</a> is
      "<code title="">opaqueredirect</code>".
-
-     <li><var title="">request</var> is a <a href="#client-request">client request</a> and
-     <var title="">response</var>'s <a href="#concept-response-type" title="concept-response-type">type</a> is none of
-     "<code>basic</code>", "<code>default</code>", and "<code>opaqueredirect</code>".
-     <!-- This needs to be revisited somehow if we ever get cross-origin workers. -->
     </ul>
+
+    <p class="note no-backref">The underlying assumption here is that all
+    <a href="#client-request" title="client request">client requests</a> use
+    <a href="#concept-request-mode" title="concept-request-mode">mode</a> "<code title="">same-origin</code>", which
+    is currently not explicitly stated for
+    <a href="#navigation-request" title="navigation request">navigation requests</a>.
   </ol>
 
  <li>

Overview.src.html

@@ -1891,12 +1891,13 @@ <h3>HTTP fetch</h3>
      <li><var title>request</var> is <em>not</em> a <span>navigation request</span> and
      <var title>response</var>'s <span title=concept-response-type>type</span> is
      "<code title>opaqueredirect</code>".
-
-     <li><var title>request</var> is a <span>client request</span> and
-     <var title>response</var>'s <span title=concept-response-type>type</span> is none of
-     "<code>basic</code>", "<code>default</code>", and "<code>opaqueredirect</code>".
-     <!-- This needs to be revisited somehow if we ever get cross-origin workers. -->
     </ul>
+
+    <p class="note no-backref">The underlying assumption here is that all
+    <span title="client request">client requests</span> use
+    <span title=concept-request-mode>mode</span> "<code title>same-origin</code>", which
+    is currently not explicitly stated for
+    <span title="navigation request">navigation requests</span>.
   </ol>
 
  <li>