MD Bookmarks: Show toolbar overlay when multiple items are selected

chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js

Index: chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
diff --git a/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js b/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
index a78e933e5ffae9af4fd314b35b1001ce3d435c45..3d1f9c82b6980798842e350f0eb98e7ac68dd045 100644
--- a/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
+++ b/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
@@ -167,6 +167,20 @@ TEST_F('MaterialBookmarksStoreClientTest', 'All', function() {
   mocha.run();
 });
 
+function MaterialBookmarksToolbarTest() {}
+
+MaterialBookmarksToolbarTest.prototype = {
+  __proto__: MaterialBookmarksBrowserTest.prototype,
+
+  extraLibraries: MaterialBookmarksBrowserTest.prototype.extraLibraries.concat([
+    'toolbar_test.js',
+  ]),
+};
+
+TEST_F('MaterialBookmarksToolbarTest', 'All', function() {
+  mocha.run();
+});
+
 function MaterialBookmarksUtilTest() {}
 
 MaterialBookmarksUtilTest.prototype = {