History UI: Apply the pref that prohibits deleting browsing and download history.

chrome/test/data/webui/history_browsertest.js

Index: chrome/test/data/webui/history_browsertest.js
===================================================================
--- chrome/test/data/webui/history_browsertest.js	(revision 196121)
+++ chrome/test/data/webui/history_browsertest.js	(working copy)
@@ -2,10 +2,19 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+GEN('#include "chrome/test/data/webui/history_ui_browsertest.h"');
+
 /** @const */ var TOTAL_RESULT_COUNT = 160;
 /** @const */ var WAIT_TIMEOUT = 200;
 
 /**
+ * Test fixture for history WebUI testing.
+ * @constructor
+ * @extends {testing.Test}
+ */
+function HistoryUIBrowserTest() {}
+
+/**
  * Create a fake history result with the given timestamp.
  * @param {Number} timestamp Timestamp of the entry, in ms since the epoch.
  * @param {String} url The URL to set on this entry.
@@ -127,6 +136,9 @@
    */
   browsePreload: 'chrome://history-frame',
 
+  /** @override */
+  typedefCppFixture: 'HistoryUIBrowserTest',
+
   isAsync: true,
 
   /**
@@ -244,8 +256,7 @@
   preLoad: function() {
     BaseHistoryWebUITest.prototype.preLoad.call(this);
 
-    this.registerMockHandler_(
-        'removeVisits', this.removeVisitsStub_.bind(this));
+    this.registerRemoveVisitsStub_();
 
     // Prepare a list of fake history results. The entries will begin at
     // 1:00 AM on Sept 2, 2008, and will be spaced two minutes apart.
@@ -260,6 +271,15 @@
   },
 
   /**
+   * Register a mock handler for the 'removeVisits' message. This is pulled out
+   * into a separate method so subclasses can override it.
+   */
+   registerRemoveVisitsStub_: function() {
+     this.registerMockHandler_(
+         'removeVisits', this.removeVisitsStub_.bind(this));
+  },
+
+  /**
    * Stub for the 'queryHistory' message to the history backend.
    * Simulates a history database using the fake history data that is
    * initialized in preLoad().
@@ -422,7 +442,7 @@
     okCallback();
   };
 
-  // The "remote" button should be initially selected.
+  // The "remove" button should be initially disabled.
   var removeButton = $('remove-selected');
   expectTrue(removeButton.disabled);
 
@@ -712,3 +732,49 @@
     testDone();
   });
 });
+
+/**
+ * Fixture for History WebUI testing when deletions are prohibited.
+ * @extends {BaseHistoryWebUITest}
+ * @constructor
+ */
+function HistoryWebUIDeleteProhibitedTest() {}
+
+HistoryWebUIDeleteProhibitedTest.prototype = {
+  __proto__: HistoryWebUITest.prototype,
+
+  /**
+   * Don't stub out the 'removeVisits' call in this class.
+   * @override
+   */
+  registerRemoveVisitsStub_: function() {},
+
+  /** @override */
+  testGenPreamble: function() {
+    GEN('  SetDeleteAllowed(false);');
+  },
+};
+
+// Test UI when removing entries is prohibited.
+TEST_F('HistoryWebUIDeleteProhibitedTest', 'deleteProhibited', function() {
+  // No checkboxes should be created.
+  var checkboxes = document.querySelectorAll(
+      '#results-display input[type=checkbox]');
+  expectEquals(0, checkboxes.length);
+
+  // The "remove" button should be disabled.
+  var removeButton = $('remove-selected');
+  expectTrue(removeButton.disabled);
+
+  // The "Remove from history" drop-down item should be disabled.
+  var removeVisit = $('remove-visit');
+  expectTrue(removeVisit.disabled);
+
+  // Attempting to remove items anyway should fail.
+  historyModel.removeVisitsFromHistory(this.fakeHistory_.slice(0, 2),
+                                       function () {
+    // The callback is only called on success.
+    testDone([false, 'Delete succeeded even though it was prohibited.']);
+  });
+  waitForCallback('deleteFailed', testDone);
+});