Fix Launcher crash in ChromeOS guest mode.

chrome/browser/ui/app_list/app_list_controller_browsertest.cc

 // Copyright 2013 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 "base/command_line.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/app_list/test/chrome_app_list_test_support.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/common/chrome_paths.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/testing_profile.h"
 #include "ui/app_list/app_list_model.h"
 #include "ui/app_list/app_list_switches.h"
 #include "ui/app_list/search_box_model.h"
 #include "ui/app_list/search_result.h"
 #include "ui/app_list/search_result_observer.h"
 #include "ui/base/models/list_model_observer.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/chromeos_switches.h"
+#include "chromeos/login/user_names.h"
+#endif  // defined(OS_CHROMEOS)
+
 // Browser Test for AppListController that runs on all platforms supporting
 // app_list.
 typedef InProcessBrowserTest AppListControllerBrowserTest;
 
 // Test the CreateNewWindow function of the controller delegate.
 IN_PROC_BROWSER_TEST_F(AppListControllerBrowserTest, CreateNewWindow) {
   const chrome::HostDesktopType desktop = chrome::GetActiveDesktop();
   AppListService* service = test::GetAppListService();
   AppListControllerDelegate* controller(service->GetControllerDelegate());
   ASSERT_TRUE(controller);
@@ skipping 169 matching lines @@
   // Now uninstall and ensure this browser test observes it.
   UninstallExtension(extension->id());
 
   // Allow async AppSearchProvider::UpdateResults to run.
   base::RunLoop().RunUntilIdle();
 
   EXPECT_FALSE(observed_result_);
   StopWatchingResults();
   service->DismissAppList();
 }
+
+#if defined(OS_CHROMEOS)
+
+class AppListControllerGuestModeBrowserTest : public InProcessBrowserTest {
+ public:
+  AppListControllerGuestModeBrowserTest() {}
+
+ protected:
+  void SetUpCommandLine(base::CommandLine* command_line) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AppListControllerGuestModeBrowserTest);
+};
+
+void AppListControllerGuestModeBrowserTest::SetUpCommandLine(
+    base::CommandLine* command_line) {
+  command_line->AppendSwitch(chromeos::switches::kGuestSession);
+  command_line->AppendSwitchASCII(chromeos::switches::kLoginUser,
+                                  chromeos::login::kGuestUserName);
+  command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile,
+                                  TestingProfile::kTestUserProfileDir);
+  command_line->AppendSwitch(switches::kIncognito);
+}
+
+// Test creating the initial app list in guest mode.
+IN_PROC_BROWSER_TEST_F(AppListControllerGuestModeBrowserTest, Incognito) {
+  AppListService* service = test::GetAppListService();
+  EXPECT_TRUE(service->GetCurrentAppListProfile());
+
+  service->ShowForProfile(browser()->profile());
+  EXPECT_EQ(browser()->profile(), service->GetCurrentAppListProfile());
+}
+
+#endif  // defined(OS_CHROMEOS)