dom-ui settings: Prevent intenet option panel sections from always displaying...

chrome/browser/resources/options/chromeos_internet_options_page.css

 /*
  * TODO(xiyuan): Remove the section overrides when options_page.css uses the
  * new style.
  */
 #inetTitle {
   border: none;
 }
 
-#internetPage > section {
-  display: block;
-}
-
 #internetPage > section > h3 {
   font-size: 100%;
   width: auto;
 }
 
 #internetPage > section[hidden] {
   display: none;
 }
 
 #networkingControls {
@@ skipping 188 matching lines @@
 #detailsInternetPage[cert] .password-details,
 #detailsInternetPage[certPkcs] .password-details,
 #detailsInternetPage:not([cert]) .cert-details,
 #detailsInternetPage:not([certPkcs]) .cert-pkcs-details {
   display: none;
 }
 
 #wirelessButtons > * > button {
   margin-left: 5px;
 }