Add runtime.getContexts() proposal (#358)

SHA: 6183ce7
Reason: push, by Rob--W

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

specification/index.html

@@ -6,11 +6,10 @@
   <meta content="w3c/CG-DRAFT" name="w3c-status">
   <link href="https://www.w3.org/StyleSheets/TR/2021/cg-draft" rel="stylesheet">
   <link href="https://www.w3.org/2008/site/images/favicon.ico" rel="icon">
-  <meta content="Bikeshed version 859efb4bd, updated Fri Jan 27 16:04:01 2023 -0800" name="generator">
+  <meta content="Bikeshed version d9bd89757, updated Thu Mar 23 10:06:53 2023 -0700" name="generator">
   <link href="https://w3c.github.io/webextensions" rel="canonical">
-  <meta content="fb2959c9ea05ed7775512cb0ba89ff1a35126fa0" name="document-revision">
+  <meta content="6183ce79810c87c3b9fa462f8df7b7345720aa9f" name="document-revision">
 <style>/* style-autolinks */
-
 .css.css, .property.property, .descriptor.descriptor {
     color: var(--a-normal-text);
     font-size: inherit;
@@ -70,7 +69,8 @@
 
 [data-link-type=biblio] {
     white-space: pre;
-}</style>
+}
+</style>
 <style>/* style-colors */
 
 /* Any --*-text not paired with a --*-bg is assumed to have a transparent bg */
@@ -179,9 +179,9 @@
     --outdated-shadow: red;
 
     --editedrec-bg: darkorange;
-}</style>
+}
+</style>
 <style>/* style-counters */
-
 body {
     counter-reset: example figure issue;
 }
@@ -208,9 +208,9 @@
 }
 figcaption:not(.no-marker)::before {
     content: "Figure " counter(figure) " ";
-}</style>
+}
+</style>
 <style>/* style-issues */
-
 a[href].issue-return {
     float: right;
     float: inline-end;
@@ -220,15 +220,15 @@
 }
 </style>
 <style>/* style-md-lists */
-
 /* This is a weird hack for me not yet following the commonmark spec
    regarding paragraph and lists. */
 [data-md] > :first-child {
     margin-top: 0;
 }
 [data-md] > :last-child {
     margin-bottom: 0;
-}</style>
+}
+</style>
 <style>/* style-selflinks */
 
 :root {
@@ -402,6 +402,7 @@
        which is quite common in practice... */
     img { background: white; }
 }
+
 @media (prefers-color-scheme: dark) {
     :root {
         --selflink-text: black;
@@ -414,7 +415,7 @@
   <div class="head">
    <p data-fill-with="logo"><a class="logo" href="https://www.w3.org/"> <img alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2021/logos/W3C" width="72"> </a> </p>
    <h1 class="p-name no-ref" id="title">Web Extensions</h1>
-   <p id="w3c-state"><a href="https://www.w3.org/standards/types#CG-DRAFT">Draft Community Group Report</a>, <time class="dt-updated" datetime="2023-02-02">2 February 2023</time></p>
+   <p id="w3c-state"><a href="https://www.w3.org/standards/types#CG-DRAFT">Draft Community Group Report</a>, <time class="dt-updated" datetime="2023-03-29">29 March 2023</time></p>
    <details open>
     <summary>More details about this document</summary>
     <div data-fill-with="spec-metadata">