Settings WebUI: clear browser dialog, show the tab when label has focus

Bug: 870439
Change-Id: I6b08c368f23b18e533548ad02fd250876f911ccd
Reviewed-on: https://chromium-review.googlesource.com/c/1308597Reviewed-by: Hector Carmona <hcarmona@chromium.org>
Commit-Queue: Esmael El-Moslimany <aee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#604107}

chrome/browser/resources/settings/clear_browsing_data_dialog/clear_browsing_data_dialog.html

@@ -113,7 +113,7 @@
         <div>$i18n{clearBrowsingData}</div>
       </div>
       <div slot="header">
-        <paper-tabs noink on-selected-changed="recordTabChange_"
+        <paper-tabs noink on-selected-changed="recordTabChange_" autoselect
             selected="{{prefs.browser.last_clear_browsing_data_tab.value}}">
           <paper-tab id="basicTabTitle">$i18n{basicPageTitle}</paper-tab>
           <paper-tab id="advancedTabTitle">$i18n{advancedPageTitle}</paper-tab>