MD History: Remove focus highlight from sidebar, add back ripples

chrome/browser/resources/md_history/side_bar.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-selector/iron-selector.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/paper-ripple/paper-ripple.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-styles/color.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-styles/typography.html">
 <link rel="import" href="chrome://history/browser_service.html">
 <link rel="import" href="chrome://history/shared_style.html">
 
 <dom-module id="history-side-bar">
   <template>
     <style include="shared-style">
       :host {
         display: block;
@@ skipping 22 matching lines @@
         @apply(--paper-font-subhead);
         -webkit-padding-start: 24px;
         align-items: center;
         box-sizing: border-box;
         color: inherit;
         cursor: pointer;
         display: flex;
         font-size: 14px;
         font-weight: 500;
         min-height: 48px;
-        outline: none;
         position: relative;
         text-decoration: none;
       }
 
-      iron-selector > a:focus {
-        outline: 0;
-        position: relative;
-      }
-
-      iron-selector > a:focus::before {
-        @apply(--layout-fit);
-
-        background: currentColor;
-        content: '';
-        opacity: var(--dark-divider-opacity);
-        pointer-events: none;
-      }
-
       iron-selector > a.iron-selected {
         color: var(--google-blue-500);
         font-weight: 500;
       }
 
-      iron-selector {

[tsergeant, 2016/07/29 06:00:10]

This was duplicated, whoooops

-        -webkit-user-select: none;
-        color: #5a5a5a;
-      }
-
       #footer {
         bottom: 0;
         color: var(--paper-grey-600);
         position: absolute;
         width: var(--side-bar-width);
       }
 
       :host([drawer]) #footer {
         /* This compensates the 120px by which app-drawer protrudes under
          * the viewport. */
@@ skipping 11 matching lines @@
         text-decoration: none;
       }
     </style>
 
     <iron-selector id="menu" selected="{{selectedPage}}"
         selectable=".page-item" attr-for-selected="path"
         fallback-selection="history"
         on-iron-activate="onSelectorActivate_">
       <a href="/[[getQueryString_(route)]]" class="page-item" path="history">
         $i18n{historyMenuItem}
+        <paper-ripple></paper-ripple>
       </a>
       <a href="/syncedTabs[[getQueryString_(route)]]" class="page-item"
           path="syncedTabs">
         $i18n{openTabsMenuItem}
+        <paper-ripple></paper-ripple>
       </a>
       <div class="separator"></div>
       <a href="chrome://settings/clearBrowserData"
           on-tap="onClearBrowsingDataTap_" id="clear-browsing-data">
         $i18n{clearBrowsingData}
+        <paper-ripple></paper-ripple>
       </a>
       <div id="footer" hidden="[[!showFooter]]">
         <div class="separator"></div>
         <div id="footer-text">$i18nRaw{sidebarFooter}</div>
       </div>
     </iron-selector>
   </template>
   <script src="chrome://history/side_bar.js"></script>
 </dom-module>