Make the Location object deal when it does not have a browsing context

Previously, the various pieces of spec text here assumed that a browsing
context always existed.

Tests: web-platform-tests/wpt#13435.

Fixes #3959.

source

@@ -81078,12 +81078,14 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   <div w-nodev>
 
   <p>A <code>Location</code> object has an associated <dfn>relevant <code>Document</code></dfn>,
-  which is this <code>Location</code> object's associated <code>Document</code> object's <span
-  data-x="concept-document-bc">browsing context</span>'s <span>active document</span>.</p>
+  which is this <code>Location</code> object's <span>relevant global object</span>'s <span>browsing
+  context</span>'s <span>active document</span>, if this <code>Location</code> object's
+  <span>relevant global object</span> has a <span>browsing context</span>, and null otherwise.</p>
 
   <p>A <code>Location</code> object has an associated <dfn data-x="concept-location-url">url</dfn>,
   which is this <code>Location</code> object's <span>relevant <code>Document</code></span>'s <span
-  data-x="concept-document-url">URL</span>.</p>
+  data-x="concept-document-url">URL</span>, if this <code>Location</code> object's <span>relevant
+  <code>Document</code></span> is non-null, and <code>about:blank</code> otherwise.</p>
 
   <p>A <code>Location</code> object has an associated <dfn
   data-x="concept-location-ancestor-origins-list">ancestor origins list</dfn>. When a
@@ -81166,10 +81168,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   steps:</p>
 
   <ol>
-   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
-   <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
-   object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
-   <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   non-null and its <span>origin</span> is not <span>same origin-domain</span> with the <span>entry
+   settings object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw
+   a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
 
    <li><p>Return this <code>Location</code> object's <span data-x="concept-location-url">url</span>,
    <span data-x="concept-url-serializer">serialized</span>.</p></li>
@@ -81178,6 +81180,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   <p>The <code data-x="dom-location-href">href</code> attribute's setter must run these steps:</p>
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
+
    <li><p><span data-x="parse a url">Parse</span> the given value relative to the <span>entry
    settings object</span>. If that failed, throw a <code>TypeError</code> exception.</p></li>
 
@@ -81192,10 +81197,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   these steps:</p>
 
   <ol>
-   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
-   <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
-   object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
-   <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   non-null and its <span>origin</span> is not <span>same origin-domain</span> with the <span>entry
+   settings object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw
+   a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
 
    <li><p>Return the <span data-x="serialization of an origin">serialization</span> of this
    <code>Location</code> object's <span data-x="concept-location-url">url</span>'s <span
@@ -81206,10 +81211,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   these steps:</p>
 
   <ol>
-   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
-   <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
-   object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
-   <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   non-null and its <span>origin</span> is not <span>same origin-domain</span> with the <span>entry
+   settings object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw
+   a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
 
    <li><p>Return this <code>Location</code> object's <span
    data-x="concept-location-url">url</span>'s <span data-x="concept-url-scheme">scheme</span>,
@@ -81220,6 +81225,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   steps:</p>
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
+
    <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
@@ -81251,10 +81259,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   steps:</p>
 
   <ol>
-   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
-   <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
-   object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
-   <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   non-null and its <span>origin</span> is not <span>same origin-domain</span> with the <span>entry
+   settings object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw
+   a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
 
    <li><p>Let <var>url</var> be this <code>Location</code> object's <span
    data-x="concept-location-url">url</span>.</p></li>
@@ -81275,6 +81283,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   <p>The <code data-x="dom-location-host">host</code> attribute's setter must run these steps:</p>
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
+
    <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
@@ -81297,10 +81308,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   run these steps:</p>
 
   <ol>
-   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
-   <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
-   object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
-   <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   non-null and its <span>origin</span> is not <span>same origin-domain</span> with the <span>entry
+   settings object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw
+   a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
 
    <li><p>If this <code>Location</code> object's <span data-x="concept-location-url">url</span>'s
    <span data-x="concept-url-host">host</span> is null, return the empty string.</p></li>
@@ -81314,6 +81325,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   steps:</p>
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
+
    <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
@@ -81336,10 +81350,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   steps:</p>
 
   <ol>
-   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
-   <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
-   object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
-   <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   non-null and its <span>origin</span> is not <span>same origin-domain</span> with the <span>entry
+   settings object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw
+   a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
 
    <li><p>If this <code>Location</code> object's <span data-x="concept-location-url">url</span>'s
    <span data-x="concept-url-port">port</span> is null, return the empty string.</p></li>
@@ -81352,6 +81366,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   <p>The <code data-x="dom-location-port">port</code> attribute's setter must run these steps:</p>
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
+
    <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
@@ -81377,10 +81394,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   run these steps:</p>
 
   <ol>
-   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
-   <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
-   object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
-   <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   non-null and its <span>origin</span> is not <span>same origin-domain</span> with the <span>entry
+   settings object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw
+   a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
 
    <li><p>Let <var>url</var> be this <code>Location</code> object's <span
    data-x="concept-location-url">url</span>.</p></li>
@@ -81400,6 +81417,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   steps:</p>
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
+
    <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
@@ -81425,10 +81445,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   these steps:</p>
 
   <ol>
-   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
-   <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
-   object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
-   <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   non-null and its <span>origin</span> is not <span>same origin-domain</span> with the <span>entry
+   settings object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw
+   a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
 
    <li><p>If this <code>Location</code> object's <span data-x="concept-location-url">url</span>'s
    <span data-x="concept-url-query">query</span> is either null or the empty string, return the
@@ -81443,6 +81463,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   steps:</p>
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
+
    <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
@@ -81478,10 +81501,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   steps:</p>
 
   <ol>
-   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
-   <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
-   object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
-   <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   non-null and its <span>origin</span> is not <span>same origin-domain</span> with the <span>entry
+   settings object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw
+   a <span>"<code>SecurityError</code>"</span> <code>DOMException</code>.</p></li>
 
    <li><p>If this <code>Location</code> object's <span data-x="concept-location-url">url</span>'s
    <span data-x="concept-url-fragment">fragment</span> is either null or the empty string, return
@@ -81495,6 +81518,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   <p>The <code data-x="dom-location-hash">hash</code> attribute's setter must run these steps:</p>
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
+
    <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
@@ -81526,6 +81552,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   method is invoked, the user agent must run the following steps:
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
+
    <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a
@@ -81537,21 +81566,21 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
 
    <li><p><span><code>Location</code>-object navigate</span> to the <span>resulting URL
    record</span>.</p></li>
-
   </ol>
 
   <p>When the <dfn><code data-x="dom-location-replace">replace(<var>url</var>)</code></dfn>
   method is invoked, the user agent must run the following steps:
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return.</p></li>
 
    <li><p><span data-x="parse a url">Parse</span> <var>url</var> relative to the <span>entry
    settings object</span>. If that failed, throw a <span>"<code>SyntaxError</code>"</span>
    <code>DOMException</code>.</p></li>
 
    <li><p><span><code>Location</code>-object navigate</span> to the <span>resulting URL
    record</span> with the <var>replacement flag</var> set.</p></li>
-
   </ol>
 
   <p class="note">The <code data-x="dom-location-replace">replace()</code> method intentionally has
@@ -81561,6 +81590,11 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   user agent must run the appropriate steps from the following list:</p>
 
   <dl class="switch">
+   <dt>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null</dt>
+
+   <dd><p>Return.</p></dd>
+
    <dt>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span></dt>
@@ -81616,6 +81650,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   getter must run these steps:
 
   <ol>
+   <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span> is
+   null, then return an empty <span>list</span>.</p></li>
+
    <li><p>If this <code>Location</code> object's <span>relevant <code>Document</code></span>'s
    <span>origin</span> is not <span>same origin-domain</span> with the <span>entry settings
    object</span>'s <span data-x="concept-settings-object-origin">origin</span>, then throw a