MD Downloads: a step toward better RTL support

chrome/browser/resources/md_downloads/toolbar.html

 <link rel="import" href="chrome://resources/polymer/v1_0/polymer/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icons/iron-icons.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-item/paper-item.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-menu/paper-menu.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-menu-button/paper-menu-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="chrome://resources/cr_elements/v1_0/cr_search_field/cr_search_field.html">
 <link rel="import" href="chrome://resources/html/assert.html">
 <link rel="import" href="chrome://resources/html/cr.html">
+<link rel="import" href="chrome://resources/html/util.html">
 
 <dom-module id="downloads-toolbar">
   <template>
     <div id="title">
       <h1 i18n-content="title"></h1>
     </div>
     <div id="actions">
       <paper-button class="clear-all" i18n-content="clearAll"
           on-click="onClearAllClick_"></paper-button>
       <paper-button i18n-content="openDownloadsFolder"
           on-click="onOpenDownloadsFolderClick_"></paper-button>
     </div>
     <div id="search">
       <cr-search-field id="search-input"
           i18n-values="label:search;clear-label:clearSearch"></cr-search-field>
-      <paper-menu-button id="more" horizontal-align="right">
+      <paper-menu-button id="more" horizontal-align="[[overflowAlign_]]">
         <paper-icon-button icon="more-vert" i18n-values="title:moreActions"
              class="dropdown-trigger"></paper-icon-button>
         <paper-menu class="dropdown-content">
           <paper-item class="clear-all" i18n-content="clearAll"
               on-click="onClearAllClick_"></paper-item>
           <paper-item i18n-content="openDownloadsFolder"
               on-click="onOpenDownloadsFolderClick_"></paper-item>
         </paper-menu>
       </paper-menu-button>
     </div>
   </template>
   <link rel="import" type="css" href="chrome://downloads/shared_style.css">
   <link rel="import" type="css" href="chrome://downloads/toolbar.css">
   <script src="chrome://downloads/toolbar.js"></script>
 </dom-module>