MD Settings: omnibox extensions list to use focus-row-behavior.

chrome/browser/resources/settings/search_engines_page/search_engines_page.js

Index: chrome/browser/resources/settings/search_engines_page/search_engines_page.js
diff --git a/chrome/browser/resources/settings/search_engines_page/search_engines_page.js b/chrome/browser/resources/settings/search_engines_page/search_engines_page.js
index 51008d2ba95b2ecf876dba878f879023666e1b85..60e365512ad122dd151b7847fb50569923a1e537 100644
--- a/chrome/browser/resources/settings/search_engines_page/search_engines_page.js
+++ b/chrome/browser/resources/settings/search_engines_page/search_engines_page.js
@@ -46,7 +46,10 @@ Polymer({
     showExtensionsList_: {
       type: Boolean,
       computed: 'computeShowExtensionsList_(extensions)',
-    }
+    },
+
+    /** @private {Object}*/

[dpapad, 2017/05/04 16:35:32]

What is the type of this member variable? Can we do something better than just
Object (maybe Element or HTMLElement)?

Also, space missing after "}"

[scottchen, 2017/05/04 21:57:38]

Done.

+    OmniboxExtensionlastFocused_: Object,

[dpapad, 2017/05/04 16:35:32]

s/Omnibox/omnibox

[scottchen, 2017/05/04 21:57:38]

Done.

   },
 
   // Since the iron-list for extensions is enclosed in a dom-if, observe both