MD WebUI: Pull 'X selected' toolbar overlay from History into shared element

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

Index: chrome/test/data/webui/md_history/history_metrics_test.js
diff --git a/chrome/test/data/webui/md_history/history_metrics_test.js b/chrome/test/data/webui/md_history/history_metrics_test.js
index ae0d8ae48f0ae4418e6f8fbfef3fe2f9e9fc2863..f502bbba17c012327ccadd1608d7fe21e64834cc 100644
--- a/chrome/test/data/webui/md_history/history_metrics_test.js
+++ b/chrome/test/data/webui/md_history/history_metrics_test.js
@@ -116,13 +116,13 @@ suite('Metrics', function() {
       MockInteractions.tap(items[4].$.checkbox);
       return PolymerTest.flushTasks();
     }).then(() => {
-      MockInteractions.tap(app.$.toolbar.$$('#delete-button'));
+      app.$.toolbar.onDeleteTap_();
       assertEquals(1, actionMap['RemoveSelected']);
       return PolymerTest.flushTasks();
     }).then(() => {
       MockInteractions.tap(app.$.history.$$('.cancel-button'));
       assertEquals(1, actionMap['CancelRemoveSelected']);
-      MockInteractions.tap(app.$.toolbar.$$('#delete-button'));
+      app.$.toolbar.onDeleteTap_();
       return PolymerTest.flushTasks();
     }).then(() => {
       MockInteractions.tap(app.$.history.$$('.action-button'));