MD History: Delete button in the toolbar allows deletion of multiple history-items.

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

Index: chrome/test/data/webui/md_history/md_history_browsertest.js
diff --git a/chrome/test/data/webui/md_history/md_history_browsertest.js b/chrome/test/data/webui/md_history/md_history_browsertest.js
index 1403e74e186e4b236be2319243b7ca146fd50c21..744a602d11ce39bec478eab6228e285573bcc8b9 100644
--- a/chrome/test/data/webui/md_history/md_history_browsertest.js
+++ b/chrome/test/data/webui/md_history/md_history_browsertest.js
@@ -10,6 +10,8 @@ var ROOT_PATH = '../../../../../';
 
 GEN_INCLUDE(
     [ROOT_PATH + 'chrome/test/data/webui/polymer_browser_test_base.js']);
+GEN('#include "base/command_line.h"');
+GEN('#include "chrome/test/data/webui/history_ui_browsertest.h"');
 
 function MaterialHistoryBrowserTest() {}
 
@@ -25,7 +27,8 @@ MaterialHistoryBrowserTest.prototype = {
     'history_card_manager_test.js',
     'history_toolbar_test.js',
     'history_card_test.js',
-    'history_overflow_menu_test.js'
+    'history_overflow_menu_test.js',
+    'history_supervised_user_test.js'
   ])
 };
 
@@ -47,4 +50,23 @@ TEST_F('MaterialHistoryBrowserTest', 'HistoryToolbarTest', function() {
 TEST_F('MaterialHistoryBrowserTest', 'HistoryOverflowMenuTest', function() {
   md_history.history_overflow_menu_test.registerTests();
   mocha.run();
-});
+});
+
+function MaterialHistoryDeletionDisabledTest() {}
+
+MaterialHistoryDeletionDisabledTest.prototype = {
+  __proto__: MaterialHistoryBrowserTest.prototype,
+
+  typedefCppFixture: 'HistoryUIBrowserTest',
+
+  testGenPreamble: function() {
+    // MaterialHistoryBrowserTest.prototype.testGenPreamble.call(this);
+    GEN('  SetDeleteAllowed(false);');
+  }
+};
+
+TEST_F('MaterialHistoryDeletionDisabledTest', 'HistorySupervisedUserTest',
+    function() {
+  md_history.history_supervised_user_test.registerTests();
+  mocha.run();
+});