MD History: add shortcuts for search

chrome/test/data/webui/md_history/history_overflow_menu_test.js

Index: chrome/test/data/webui/md_history/history_overflow_menu_test.js
diff --git a/chrome/test/data/webui/md_history/history_overflow_menu_test.js b/chrome/test/data/webui/md_history/history_overflow_menu_test.js
index 5fee65069c2e1d47fe9a4614877c0cbda8afabce..01836a7f3545f911d201889063cd9a60e240be06 100644
--- a/chrome/test/data/webui/md_history/history_overflow_menu_test.js
+++ b/chrome/test/data/webui/md_history/history_overflow_menu_test.js
@@ -66,7 +66,7 @@ cr.define('md_history.history_overflow_menu_test', function() {
         // actual page, it will take two presses to close the menu due to focus.
         // TODO(yingran): Fix this behavior to only require one key press.
         element.toggleMenu_(MENU_EVENT);
-        MockInteractions.pressAndReleaseKeyOn(document, 27);
+        MockInteractions.pressAndReleaseKeyOn(document.body, 27);
         assertEquals(false, element.$.sharedMenu.menuOpen);
       });