MD Settings: Restore focus when exiting various subpages, part 2.

chrome/browser/resources/settings/privacy_page/privacy_page.js

Index: chrome/browser/resources/settings/privacy_page/privacy_page.js
diff --git a/chrome/browser/resources/settings/privacy_page/privacy_page.js b/chrome/browser/resources/settings/privacy_page/privacy_page.js
index 0afbf099f0d883cc7006c0f0b298a38e7e44c4b6..a8ac9506de287555da0631b16c4136c9da900886 100644
--- a/chrome/browser/resources/settings/privacy_page/privacy_page.js
+++ b/chrome/browser/resources/settings/privacy_page/privacy_page.js
@@ -101,6 +101,23 @@ Polymer({
         return loadTimeData.getBoolean('enableSafeBrowsingSubresourceFilter');
       }
     },
+
+    /** @private {!Map<string, string>} */
+    focusConfig_: {
+      type: Object,
+      value: function() {
+        var map = new Map();
+// <if expr="use_nss_certs">
+        map.set(
+            settings.Route.CERTIFICATES.path,
+            '#manageCertificates .subpage-arrow');
+// </if>
+        map.set(
+            settings.Route.SITE_SETTINGS.path,
+            '#site-settings-subpage-trigger .subpage-arrow');
+        return map;
+      },
+    },
   },
 
   listeners: {