Enable profile switching for standalone App Launcher via the Settings App.

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 "chrome/browser/browser_process.h"
+#include "chrome/browser/prefs/pref_service_simple.h"
+#include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/app_list/app_list_util.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
 
 // Browser Test for AppListController that runs on all platforms supporting
 // app_list.
 class AppListControllerBrowserTest : public InProcessBrowserTest {
  public:
   AppListControllerBrowserTest() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AppListControllerBrowserTest);
 };
 
-// Disabled on Windows. Investigating in http://crbug.com/169114 .
-#if defined(OS_WIN)
-#define MAYBE_ShowAndShutdown DISABLED_ShowAndShutdown
-#else
-#define MAYBE_ShowAndShutdown ShowAndShutdown
-#endif
+// Show the app list, then dismiss it.
+IN_PROC_BROWSER_TEST_F(AppListControllerBrowserTest, ShowAndDismiss) {
+  ASSERT_FALSE(chrome::IsAppListVisible());

[tapted, 2013/01/26 01:10:08]

I think this test will run on CrOS, so app_list_controller_ash.cc will need an
implementation of IsAppListVisible().

[koz (OOO until 15th September), 2013/01/29 00:34:11]

Done.

+  chrome::ShowAppList(browser()->profile());
+  ASSERT_TRUE(chrome::IsAppListVisible());
+  chrome::DismissAppList();
+  ASSERT_FALSE(chrome::IsAppListVisible());
+}
 
-// Test showing the app list, followed by browser close.
-IN_PROC_BROWSER_TEST_F(AppListControllerBrowserTest, MAYBE_ShowAndShutdown) {
-  chrome::ShowAppList();
+class ShowAppListBrowserTest : public InProcessBrowserTest {
+ public:
+  ShowAppListBrowserTest() {}
+
+  void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+    command_line->AppendSwitch(switches::kShowAppList);
+  }
+
+  DISALLOW_COPY_AND_ASSIGN(ShowAppListBrowserTest);
+};
+
+IN_PROC_BROWSER_TEST_F(ShowAppListBrowserTest, ShowAppList) {
+  // The app list should already be shown because we passed
+  // switches::kShowAppList.
+  ASSERT_TRUE(chrome::IsAppListVisible());
+
+  // Create a browser to prevent shutdown when we dismiss the app list.  We
+  // need to do this becuase switches::kShowAppList suppresses the creation of
+  // any browsers.
+  CreateBrowser(chrome::GetCurrentAppListProfile());
+  chrome::DismissAppList();
 }