Add a basic demo mode browser test.

chrome/browser/chromeos/login/demo_mode/demo_app_launcher_browsertest.cc

+// Copyright (c) 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/basictypes.h"
+#include "base/command_line.h"
+#include "base/compiler_specific.h"
+#include "base/files/file_path.h"
+#include "base/path_service.h"
+#include "chrome/browser/chromeos/login/demo_mode/demo_app_launcher.h"
+#include "chrome/browser/extensions/extension_browsertest.h"
+#include "chrome/browser/extensions/extension_test_message_listener.h"
+#include "chrome/common/chrome_paths.h"
+#include "chromeos/chromeos_switches.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+
+class DemoAppLauncherTest : public ExtensionBrowserTest {
+ public:
+  DemoAppLauncherTest() {
+    set_exit_when_last_browser_closes(false);
+  }
+
+  virtual ~DemoAppLauncherTest() {}
+
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+    command_line->AppendSwitch(switches::kLoginManager);
+    command_line->AppendSwitch(switches::kForceLoginManagerInTests);
+    command_line->AppendSwitchASCII(switches::kLoginProfile, "user");
+
+    command_line->AppendSwitchASCII(switches::kDerelictIdleTimeout, "0");
+    command_line->AppendSwitchASCII(switches::kOobeTimerInterval, "0");
+    command_line->AppendSwitchASCII(switches::kDerelictDetectionTimeout, "0");
+  }
+
+  virtual void SetUp() OVERRIDE {
+    chromeos::DemoAppLauncher::SetDemoAppPathForTesting(GetTestDemoAppPath());
+    InProcessBrowserTest::SetUp();
+  }
+
+  base::FilePath GetTestDemoAppPath() const {
+    base::FilePath test_data_dir;
+    EXPECT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir));
+    return test_data_dir.Append(FILE_PATH_LITERAL("chromeos/demo_app"));
+  }
+
+  void VerifyDemoAppLaunch() {
+    EXPECT_TRUE(ExtensionTestMessageListener("launchedDemoApp",
+                                             false).WaitUntilSatisfied());
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DemoAppLauncherTest);
+};
+
+IN_PROC_BROWSER_TEST_F(DemoAppLauncherTest, Basic) {
+  VerifyDemoAppLaunch();
+}
+
+}  // namespace chromeos