[MD Bookmarks] Add UI for Material Bookmarks.

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 e8469c9cd043369e888fbbbef4b310cb926d52c3..e6c768824ded4333f1f2171cc8ede9134ade7063 100644
--- a/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
+++ b/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
@@ -39,3 +39,31 @@ MaterialBookmarksStoreTest.prototype = {
 TEST_F('MaterialBookmarksStoreTest', 'All', function() {
   mocha.run();
 });
+
+function MaterialBookmarksSidebarTest() {}
+
+MaterialBookmarksSidebarTest.prototype = {
+  __proto__: MaterialBookmarksBrowserTest.prototype,
+
+  extraLibraries: MaterialBookmarksBrowserTest.prototype.extraLibraries.concat([
+    'sidebar_test.js',
+  ]),
+};
+
+TEST_F('MaterialBookmarksSidebarTest', 'All', function() {
+  mocha.run();
+});
+
+function MaterialBookmarksItemTest() {}
+
+MaterialBookmarksItemTest.prototype = {
+  __proto__: MaterialBookmarksBrowserTest.prototype,
+
+  extraLibraries: MaterialBookmarksBrowserTest.prototype.extraLibraries.concat([
+    'item_test.js',
+  ]),
+};
+
+TEST_F('MaterialBookmarksItemTest', 'All', function() {
+  mocha.run();
+});