WebUI: Get rid of more references to DOMUI in the rest of the directories.

chrome/browser/resources/options/options_page.css

 body {
   cursor: default;
   font-size: 13px;
 }
 
 a:link {
   color: rgb(63, 110, 194);
 }
 
 a:active {
@@ skipping 412 matching lines @@
   display: -webkit-box;
   height: 32px;
   border: none;
   margin: 0;
 }
 
 list:not([disabled]) > :hover {
   background-color: #e4ecf7;
 }
 
-/* TODO(stuartmorgan): Once this becomes the list style for other DOMUI pages
+/* TODO(stuartmorgan): Once this becomes the list style for other WebUI pages
  * these rules can be simplified (since they wont need to override other rules).
  */
 
 list:not([hasElementFocus]) > [selected],
 list:not([hasElementFocus]) > [lead][selected] {
   background-color: #d0d0d0;
   background-image: none;
 }
 
 list[hasElementFocus] > [selected],
@@ skipping 277 matching lines @@
 }
 
 html[os=mac] label > input[type=checkbox],
 html[os=mac] label > input[type=radio] {
   margin-top: 2px;
 }
 
 .suboption {
   -webkit-margin-start: 16px;
 }