MD Settings: make blowing away per-origin data (i.e. cookies) easier

chrome/browser/resources/settings/settings_shared_css.html

 <link rel="import" href="chrome://resources/cr_elements/shared_style_css.html">
 <link rel="import" href="settings_vars_css.html">
 
 <!-- Common styles for Material Design settings. -->
 <dom-module id="settings-shared">
   <template>
     <style include="cr-shared-style">
       /* Included here so we don't have to include "iron-positioning" in every
        * stylesheet. See crbug.com/498405. */
       [hidden] {
@@ skipping 287 matching lines @@
 
       /* The secondary-action wraps a clickable sub-area of a .settings-box.
        * An example is the |sign out| button on the People settings.
        * Here is an example with and without a secondary action box:
        *
        *  +-------------------------------------------------------+
        *  | Main action area .settings-box    | .secondary-action |
        *  +-------------------------------------------------------+
        *  | Another setting-box without a secondary-action        |
        *  +-------------------------------------------------------+ */
-      .settings-box .secondary-action {
+      :-webkit-any(.settings-box, .list-item) .secondary-action {
         -webkit-border-start: var(--settings-separator-line);
         -webkit-margin-start: 20px;
         -webkit-padding-start: 20px;
         align-items: center;
         display: flex;
         flex-shrink: 0;
         height: var(--settings-row-min-height);
       }
 
       /* Helper for a list frame to automatically avoid the separator line. */
@@ skipping 45 matching lines @@
       /* Turns the arrow direction downwards, when the bubble is placed above
        * the anchor element */
       .search-bubble-innards.above::after {
         bottom: -5px;
         top: auto;
         transform: rotate(-135deg);
       }
     </style>
   </template>
 </dom-module>