Trim test comments

Author: annevk

dom/nodes/Document-base-url-not-live.window.js

@@ -1,13 +1,6 @@
-// Confirms that the base URL an about:blank or about:srcdoc document inherits
-// from its initiator/container is a snapshot taken at creation, not a live view
-// of the initiator's current base URL.
-//
-// Reading baseURI is not enough on its own: implementations cache the base URL,
-// so a live-but-cached implementation would still return the creation-time value
-// on read. To distinguish snapshot from live, the container's base URL is changed
-// and the child is then forced to recompute its base URL (by inserting and
-// removing a <base>). A snapshot yields the creation-time value; a live view
-// yields the container's new base URL.
+// Reading baseURI cannot distinguish a snapshot from a live lookup on its own, as
+// implementations cache the base URL. So change the container's base URL and then
+// force the child to recompute by inserting and removing a <base>.
 //
 // See https://github.com/whatwg/dom/issues/454
 
@@ -20,7 +13,6 @@ function makeIframe(doc, configure) {
   });
 }
 
-// Inserting then removing a <base> makes the document recompute its base URL.
 function forceBaseURLRecompute(doc) {
   const base = doc.createElement("base");
   base.setAttribute("href", "http://example.org/forced/");

dom/nodes/Document-cloneNode-about-base-url-relative.window.js

@@ -1,12 +1,3 @@
-// A relative <base> href in an about:blank document, and how it interacts with
-// cloning.
-//
-// The base URL an about:blank document inherits from its initiator is exposed
-// through the no-<base> path (base URL override), so ordinary relative URLs
-// resolve against it. A <base> element, however, resolves its href against the
-// document's own URL, so a relative <base href="sub/"> resolves against
-// about:blank rather than the inherited base URL. Cloning does not change this.
-//
 // See https://github.com/whatwg/dom/issues/454
 
 function aboutBlankDocument(t) {

dom/nodes/Document-cloneNode-srcdoc-base-url.window.js

@@ -1,12 +1,3 @@
-// A relative <base> href in an about:srcdoc document, and how it interacts with
-// cloning. Parallels the about:blank case.
-//
-// The base URL an about:srcdoc document inherits from its container is exposed
-// through the no-<base> path (base URL override), so ordinary relative URLs
-// resolve against it. A <base> element, however, resolves its href against the
-// document's own URL, so a relative <base href="sub/"> resolves against
-// about:srcdoc rather than the inherited base URL. Cloning does not change this.
-//
 // See https://github.com/whatwg/dom/issues/454
 
 function srcdocDocument(t, srcdoc) {