Settings People: Prevent long profile names from clobbering buttons.

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">
       h2 {
         align-items: center;
         display: flex;
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        * 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-border-start: var(--settings-separator-line);
         -webkit-padding-start: 20px;
+        flex-shrink: 0;
       }
 
       .settings-box paper-item iron-icon {
         /* Same padding as paper-icon-button. */
         padding: 8px;
       }
 
       /* Helper for a list frame to automatically avoid the separator line. */
       .vertical-list > *:not(:first-of-type) {
         border-top: var(--settings-separator-line);
@@ skipping 41 matching lines @@
         content: '';
         height: 10px;
         position: absolute;
         right: -5px;
         top: 10px;
         width: 10px;
       }
     </style>
   </template>
 </dom-module>