MD Settings: adjust focus-outline behaviors on search engine iron-list.

chrome/browser/resources/settings/search_engines_page/search_engine_entry.html

Index: chrome/browser/resources/settings/search_engines_page/search_engine_entry.html
diff --git a/chrome/browser/resources/settings/search_engines_page/search_engine_entry.html b/chrome/browser/resources/settings/search_engines_page/search_engine_entry.html
index e331e2125b4c48e77444564143ad1476796933a1..600e4c54a4ce1e801f7fe2fd5130076a71307624 100644
--- a/chrome/browser/resources/settings/search_engines_page/search_engine_entry.html
+++ b/chrome/browser/resources/settings/search_engines_page/search_engine_entry.html
@@ -4,6 +4,7 @@
 <link rel="import" href="chrome://resources/html/icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="../controls/extension_controlled_indicator.html">
+<link rel="import" href="../focusable_iron_list_item_behavior.html">
 <link rel="import" href="search_engine_dialog.html">
 <link rel="import" href="search_engine_entry_css.html">
 <link rel="import" href="search_engines_browser_proxy.html">
@@ -39,6 +40,10 @@
         pointer-events: none;
         visibility: hidden;
       }
+
+      :host(.no-outline) {
+        outline: none;
+      }
     </style>
 
     <template is="dom-if" if="[[showEditSearchEngineDialog_]]" restamp>