MD History: Remove focus highlight from sidebar, add back ripples

chrome/browser/resources/md_history/side_bar.js

Index: chrome/browser/resources/md_history/side_bar.js
diff --git a/chrome/browser/resources/md_history/side_bar.js b/chrome/browser/resources/md_history/side_bar.js
index a47576a2f8fa54c3b4ad91c4ea5617cd0acf9982..24443025905b2133633eae6984041ba7f590c04a 100644
--- a/chrome/browser/resources/md_history/side_bar.js
+++ b/chrome/browser/resources/md_history/side_bar.js
@@ -22,15 +22,6 @@ Polymer({
     },
   },
 
-  focusCurrentPage: function() {
-    // The desired behavior is for the app-drawer to focus the currently
-    // selected menu item on opening. However, it will always focus the first
-    // focusable child. Therefore, we set tabindex=0 on the app-drawer so that
-    // it will focus itself and then immediately delegate focus to the selected
-    // item in this listener.
-    this.$.menu.selectedItem.focus();
-  },
-
   /** @private */
   onSelectorActivate_: function() {
     this.fire('history-close-drawer');