[MD History] Make synced devices keyboard navigation consistent.

chrome/browser/resources/md_history/synced_device_card.html

 <link rel="import" href="chrome://resources/cr_elements/icons.html">
+<link rel="import" href="chrome://resources/html/cr/ui/focus_row.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-styles/shadow.html">
 <link rel="import" href="chrome://resources/html/icon.html">
 <link rel="import" href="chrome://history/browser_service.html">
 <link rel="import" href="chrome://history/constants.html">
 <link rel="import" href="chrome://history/searched_label.html">
 <link rel="import" href="chrome://history/shared_style.html">
@@ skipping 43 matching lines @@
       #collapse {
         overflow: hidden;
       }
 
       #history-item-container {
         @apply(--shadow-elevation-2dp);
         background: #fff;
         border-radius: 2px;
       }
 
-      #item-container {
+      .item-container {
         align-items: center;
         display: flex;
         margin: 0 20px;
         min-height: var(--item-height);
       }
 
-      #window-separator {
+      .window-separator {
         background-color: var(--card-border-color);
         height: 1px;
         margin: 5px auto;
         width: 80%;
       }
     </style>
     <div id="history-item-container">
       <div class="card-title" id="card-heading" aria-expanded$="[[opened]]"
           aria-controls="collapse" on-tap="toggleTabCard">
         <div id="title-left-content">
           <div id="device-name">
             [[device]]
           </div>
           <span id="last-update-time">[[lastUpdateTime]]</span>
         </div>
         <div id="right-buttons">
           <button is="paper-icon-button-light" id="menu-button"
               class="more-vert-button" on-click="onMenuButtonTap_"
               title="$i18n{moreActionsButton}">
             <div></div>
             <div></div>
             <div></div>
           </button>
           <button is="paper-icon-button-light" class="icon-button"
-              title$="[[getCollapseTitle_(opened)]]">
+              id="collapse-button" title$="[[getCollapseTitle_(opened)]]">
             <iron-icon icon="[[getCollapseIcon_(opened)]]"
                 id="dropdown-indicator">
             </iron-icon>
           </button>
         </div>
       </div>
 
       <iron-collapse opened="{{opened}}" id="collapse">
         <div id="tab-item-list">
           <template is="dom-repeat" items="[[tabs]]" as="tab" id="tab-list">
-            <div id="item-container">
-              <div id="icon" class="website-icon"></div>
+            <div class="item-container">
+              <div class="website-icon"></div>
               <a href="[[tab.url]]" class="website-title" title="[[tab.title]]"
                   on-click="openTab_" on-contextmenu="onLinkRightClick_">
                 <history-searched-label title="[[tab.title]]"
                     search-term="[[searchTerm]]"></history-searched-label>
               </a>
             </div>
-            <div id="window-separator"
+            <div class="window-separator"
                 hidden$="[[!isWindowSeparatorIndex_(index, separatorIndexes)]]">
             </div>
           </template>
         </div>
       </iron-collapse>
     </div>
   </template>
   <script src="chrome://history/synced_device_card.js"></script>
 </dom-module>