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

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

Index: chrome/test/data/webui/md_history/history_list_test.js
diff --git a/chrome/test/data/webui/md_history/history_list_test.js b/chrome/test/data/webui/md_history/history_list_test.js
index 41b2382f794e0e987605b038ef786893e75f8acf..5f835a3b689410bfe95ac9523b517d65ec513ed3 100644
--- a/chrome/test/data/webui/md_history/history_list_test.js
+++ b/chrome/test/data/webui/md_history/history_list_test.js
@@ -46,7 +46,7 @@ suite('<history-list>', function() {
       assertDeepEquals([true], element.historyData_.map(i => i.selected));
       return PolymerTest.flushTasks();
     }).then(function() {
-      MockInteractions.tap(app.$.toolbar.$$('#delete-button'));
+      toolbar.onDeleteTap_();
       var dialog = listContainer.$.dialog.get();
       registerMessageCallback('removeVisits', this, function() {
         PolymerTest.flushTasks().then(function() {
@@ -313,7 +313,7 @@ suite('<history-list>', function() {
 
       return PolymerTest.flushTasks();
     }).then(function() {
-      MockInteractions.tap(app.$.toolbar.$$('#delete-button'));
+      toolbar.onDeleteTap_();
 
       var dialog = listContainer.$.dialog.get();
       registerMessageCallback('removeVisits', this, function() {
@@ -438,7 +438,7 @@ suite('<history-list>', function() {
       MockInteractions.tap(items[2].$.checkbox);
       return PolymerTest.flushTasks();
     }).then(function() {
-      MockInteractions.tap(app.$.toolbar.$$('#delete-button'));
+      toolbar.onDeleteTap_();
       return PolymerTest.flushTasks();
     }).then(function() {
       // Confirmation dialog should appear.