UI Changes to support clearing EME/CDM data

chrome/browser/resources/options/clear_browser_data_overlay.html

 <div id="clear-browser-data-overlay" class="page not-resizable" hidden>
   <div class="close-button"></div>
   <h1 i18n-content="clearBrowserDataOverlay"></h1>
   <!-- NOTE: Make sure there's not whitespace between <div></div> for
        #clear-browser-data-info-banner as it's styled with :empty. -->
   <div id="clear-browser-data-info-banner"></div>
   <div id="cbd-content-area" class="content-area">
     <span i18n-content="clearBrowserDataLabel"></span>
     <select id="clear-browser-data-time-period"
         i18n-options="clearBrowserDataTimeList"
@@ skipping 58 matching lines @@
               aria-live="polite" id="delete-form-data-counter"></span>
         </label>
       </div>
       <div id="delete-hosted-apps-data-container" class="checkbox">
         <label>
           <input id="delete-hosted-apps-data-checkbox"
               pref="browser.clear_data.hosted_apps_data" type="checkbox">
           <span i18n-content="deleteHostedAppsDataCheckbox"></span>
         </label>
       </div>
-      <div id="deauthorize-content-licenses-container"
-          class="checkbox pepper-flash-settings">
+      <div id="delete-media-licenses-container" class="checkbox">
         <label>
-          <input id="deauthorize-content-licenses-checkbox"
-              pref="browser.clear_data.content_licenses" type="checkbox">
-          <span i18n-content="deauthorizeContentLicensesCheckbox"></span>
+          <input id="delete-media-licenses-checkbox"
+              pref="browser.clear_data.media_licenses" type="checkbox"
+              aria-controls="delete-media-licenses-counter">
+          <span i18n-content="deleteMediaLicensesCheckbox"></span>
+          <span class="clear-browser-data-counter" role="note"
+              aria-live="polite" id="delete-media-licenses-counter"></span>
+        </label>
         </label>
       </div>
     </div>
     <div id="flash-storage-settings" class="flash-plugin-area">
       <a target="_blank" i18n-content="flashStorageSettings"
           i18n-values="href:flashStorageUrl"></a>
     </div>
   </div>
   <div class="action-area">
     <div class="hbox stretch">
@@ skipping 15 matching lines @@
     <p id="clear-browser-data-history-footer"
         i18n-values=".innerHTML:clearBrowserDataHistoryFooter" hidden></p>
     <p id="clear-browser-data-general-footer">
       <span><!--This is filled by JavaScript--></span>
       <a id="clear-browser-data-footer-learn-more-link" hidden
           target="_blank" i18n-content="learnMore"
           i18n-values="href:clearBrowsingDataLearnMoreUrl"></a>
     </p>
   </div>
 </div>