[MD WebUI] Move icons used in Bookmarks and Settings to shared file.

chrome/browser/resources/settings/device_page/display_overscan_dialog.html

 <link rel="import" href="chrome://resources/cr_elements/cr_dialog/cr_dialog.html">
 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/classes/iron-flex-layout.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-button/paper-button.html">
-<link rel="import" href="/icons.html">
 <link rel="import" href="/settings_shared_css.html">
 
 <dom-module id="settings-display-overscan-dialog">
   <template>
     <style include="settings-shared">
      .subtitle {
        margin-top: 10px;
      }
 
      .instructions {
@@ skipping 28 matching lines @@
       <div class="title">$i18n{displayOverscanPageTitle}</div>
       <div class="body">
         <div class="subtitle" >$i18n{displayOverscanSubtitle}</div>
         <div class="instructions" >$i18n{displayOverscanInstructions}</div>
         <div class="details layout horizontal around-justified self-stretch">
           <div class="layout vertical center">
             <div class="layout horizontal">
               <iron-icon icon="cr:expand-less"></iron-icon>
             </div>
             <div class="layout horizontal">
-              <iron-icon icon="settings:chevron-left"></iron-icon>
+              <iron-icon icon="cr:chevron-left"></iron-icon>
               <iron-icon icon="cr:expand-more"></iron-icon>
               <iron-icon icon="cr:chevron-right"></iron-icon>
             </div>
             <div class="label" >$i18n{displayOverscanResize}</div>
           </div>
           <div class="layout vertical center">
             <div class="layout vertical center-justified flex">
               <div id="move" class="layout horizontal">
                 <!-- TODO(stevenjb): Localize 'shift' for other keyboards -->
                 <!-- crbug.com/614827 -->
                 <div>( + </div><div class="shift">shift</div><div>)</div>
               </div>
             </div>
             <div class="label">$i18n{displayOverscanPosition}</div>
           </div>
         </div>
       </div>
       <div class="button-container">
         <paper-button id="reset" class="secondary-button" on-tap="onResetTap_">
           $i18n{displayOverscanReset}
         </paper-button>
         <paper-button class="primary-button" on-tap="onSaveTap_">
           $i18n{ok}
         </paper-button>
       </div>
     </dialog>
   </template>
   <script src="display_overscan_dialog.js"></script>
 </dom-module>