Closing a guest session clears all browsing history.

chrome/browser/ui/browser_command_controller_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/browser_command_controller.h"
 
 #include "base/command_line.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/command_updater.h"
+#include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_window_state.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "chrome/test/base/test_browser_window.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chrome/test/base/testing_profile_manager.h"
+#include "components/nacl/browser/nacl_browser.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 
 typedef BrowserWithTestWindowTest BrowserCommandControllerTest;
 
 TEST_F(BrowserCommandControllerTest, IsReservedCommandOrKey) {
 #if defined(OS_CHROMEOS)
   // F1-3 keys are reserved Chrome accelerators on Chrome OS.
   EXPECT_TRUE(browser()->command_controller()->IsReservedCommandOrKey(
@@ skipping 219 matching lines @@
       TestingProfile::Builder().Build();
   TestingProfile::Builder guest_builder;
   guest_builder.SetGuestSession();
   guest_builder.SetPath(ProfileManager::GetGuestProfilePath());
   // Browsers in Guest mode must be off the record profiles.
   TestingProfile* guest_profile =
       guest_builder.BuildIncognito(original_profile.get());
 
   ASSERT_TRUE(guest_profile->IsGuestSession());
 
+#if !defined(DISABLE_NACL)
+  // BrowserDataRemover needs a NaCl delegate.
+  nacl::NaClBrowser::SetDelegate(
+      new NaClBrowserDelegateImpl(testing_profile_manager.profile_manager()));
+#endif
+
   // Create a new browser based on the guest profile.
   Browser::CreateParams profile_params(guest_profile,
                                        chrome::GetActiveDesktop());
   scoped_ptr<Browser> guest_browser(
       chrome::CreateBrowserWithTestWindowForParams(&profile_params));
   chrome::BrowserCommandController command_controller(guest_browser.get());
   const CommandUpdater* command_updater = command_controller.command_updater();
 #if defined(OS_CHROMEOS)
   // Chrome OS uses system tray menu to handle multi-profiles.
   EXPECT_FALSE(command_updater->IsCommandEnabled(IDC_SHOW_AVATAR_MENU));
@@ skipping 182 matching lines @@
 
 TEST_F(BrowserCommandControllerTest, OnSigninAllowedPrefChange) {
   chrome::BrowserCommandController command_controller(browser());
   const CommandUpdater* command_updater = command_controller.command_updater();
 
   // Check that the SYNC_SETUP command is updated on preference change.
   EXPECT_TRUE(command_updater->IsCommandEnabled(IDC_SHOW_SYNC_SETUP));
   profile()->GetPrefs()->SetBoolean(prefs::kSigninAllowed, false);
   EXPECT_FALSE(command_updater->IsCommandEnabled(IDC_SHOW_SYNC_SETUP));
 }