MD Downloads: convert <paper-dropdown-menu> to <dialog is="cr-action-menu">

chrome/test/data/webui/md_downloads/toolbar_tests.js

Index: chrome/test/data/webui/md_downloads/toolbar_tests.js
diff --git a/chrome/test/data/webui/md_downloads/toolbar_tests.js b/chrome/test/data/webui/md_downloads/toolbar_tests.js
index 5729be5c6e439a0f82e93192dc1fc0e81bdd9206..7f287c3ee05f34ea4611a25fec79a9226b3bea3d 100644
--- a/chrome/test/data/webui/md_downloads/toolbar_tests.js
+++ b/chrome/test/data/webui/md_downloads/toolbar_tests.js
@@ -26,11 +26,11 @@ suite('toolbar tests', function() {
   });
 
   test('resize closes more options menu', function() {
-    MockInteractions.tap(toolbar.$$('paper-icon-button'));
-    assertTrue(toolbar.$.more.opened);
+    MockInteractions.tap(toolbar.$.moreActions);
+    assertTrue(toolbar.$.moreActionsMenu.open);
 
     window.dispatchEvent(new CustomEvent('resize'));
-    assertFalse(toolbar.$.more.opened);
+    assertFalse(toolbar.$.moreActionsMenu.open);
   });
 
   test('search starts spinner', function() {