WindowProxy and Location use ordinary internal methods by default

Fixes #4189.

source

@@ -79104,15 +79104,15 @@ interface <dfn>BarProp</dfn> {
   <code>Window</code> object wrapped by the <span>browsing context</span>'s associated
   <code>WindowProxy</code> object is changed.</p>
 
+  <p>The <code>WindowProxy</code> exotic object must use the ordinary internal methods except where
+  it is explicitly specified otherwise below.</p>
+
   <p>There is no <code>WindowProxy</code> <span>interface object</span>.</p>
 
   <p>Every <code>WindowProxy</code> object has a <dfn data-x="concept-windowproxy-window"
   data-export="">[[Window]]</dfn> internal slot representing the wrapped <code>Window</code>
   object.</p>
 
-  <p>The <code>WindowProxy</code> object internal methods are described in the subsections
-  below.</p>
-
   <p class="note">Although <code>WindowProxy</code> is named as a "proxy", it does not do
   polymorphic dispatch on its target's internal methods as a real proxy would, due to a desire to
   reuse machinery between <code>WindowProxy</code> and <code>Location</code> objects. As long as the
@@ -81673,10 +81673,10 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
   <hr>
 
   <p id="location-internal-methods">As explained earlier, the <code>Location</code> exotic object
-  requires additional logic beyond IDL for security purposes. The internal slot and internal methods
-  <code>Location</code> objects must implement are defined below.</p>
+  requires additional logic beyond IDL for security purposes. The <code>Location</code> object must
+  use the ordinary internal methods except where it is explicitly specified otherwise below.</p>
 
-  <p>Every <code>Location</code> object has a <dfn>[[DefaultProperties]]</dfn> internal slot
+  <p>Also, every <code>Location</code> object has a <dfn>[[DefaultProperties]]</dfn> internal slot
   representing its own properties at time of its creation.</p>
 
   <h5 id="location-getprototypeof">[[GetPrototypeOf]] ( )</h5>