[Mac] User manager should show up as a standalone window.

chrome/browser/ui/cocoa/browser/user_manager_mac_unittest.mm

Index: chrome/browser/ui/cocoa/browser/user_manager_mac_unittest.mm
diff --git a/chrome/browser/ui/cocoa/browser/user_manager_mac_unittest.mm b/chrome/browser/ui/cocoa/browser/user_manager_mac_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..cf8e3fda993ee79898f71238af3a4810f5507002
--- /dev/null
+++ b/chrome/browser/ui/cocoa/browser/user_manager_mac_unittest.mm
@@ -0,0 +1,47 @@
+// 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 "chrome/browser/ui/cocoa/user_manager_mac.h"
+
+#include "base/run_loop.h"
+#include "chrome/browser/profiles/profile_window.h"
+#include "chrome/test/base/browser_with_test_window_test.h"
+#include "chrome/test/base/testing_browser_process.h"
+#include "chrome/test/base/testing_profile_manager.h"
+
+class UserManagerMacTest : public BrowserWithTestWindowTest {
+ public:
+  UserManagerMacTest()
+      : testing_profile_manager_(TestingBrowserProcess::GetGlobal()) {
+  }
+
+  virtual void SetUp() OVERRIDE {
+    BrowserWithTestWindowTest::SetUp();
+    ASSERT_TRUE(testing_profile_manager_.SetUp());
+    // Pre-load the guest profile so we don't have to wait for the User Manager
+    // to asynchronously create it.
+    testing_profile_manager_.CreateGuestProfile();
+  }
+
+  virtual void TearDown() OVERRIDE {
+    testing_profile_manager_.DeleteGuestProfile();
+    TestingBrowserProcess::GetGlobal()->SetProfileManager(NULL);
+    base::RunLoop().RunUntilIdle();
+    BrowserWithTestWindowTest::TearDown();
+  }
+
+ private:
+  TestingProfileManager testing_profile_manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(UserManagerMacTest);
+};
+
+TEST_F(UserManagerMacTest, ShowUserManager) {
+  EXPECT_FALSE(UserManagerMac::IsShowing());
+  UserManagerMac::Show(base::FilePath());
+  EXPECT_TRUE(UserManagerMac::IsShowing());
+
+  UserManagerMac::Hide();
+  EXPECT_FALSE(UserManagerMac::IsShowing());
+}