Revert 207755 "Add device policies to control accessibility sett..."

trunk/src/chrome/browser/chromeos/policy/login_screen_default_policy_browsertest.cc

Index: trunk/src/chrome/browser/chromeos/policy/login_screen_default_policy_browsertest.cc
===================================================================
--- trunk/src/chrome/browser/chromeos/policy/login_screen_default_policy_browsertest.cc	(revision 207797)
+++ trunk/src/chrome/browser/chromeos/policy/login_screen_default_policy_browsertest.cc	(working copy)
@@ -1,438 +0,0 @@
-// 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 <string>
-
-#include "ash/magnifier/magnifier_constants.h"
-#include "base/basictypes.h"
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/command_line.h"
-#include "base/compiler_specific.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/location.h"
-#include "base/message_loop.h"
-#include "base/prefs/pref_change_registrar.h"
-#include "base/prefs/pref_service.h"
-#include "base/run_loop.h"
-#include "base/values.h"
-#include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
-#include "chrome/browser/chromeos/accessibility/magnification_manager.h"
-#include "chrome/browser/chromeos/policy/device_policy_builder.h"
-#include "chrome/browser/chromeos/policy/device_policy_cros_browser_test.h"
-#include "chrome/browser/chromeos/profiles/profile_helper.h"
-#include "chrome/browser/chromeos/settings/device_settings_service.h"
-#include "chrome/browser/lifetime/application_lifetime.h"
-#include "chrome/browser/policy/proto/chromeos/chrome_device_policy.pb.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/common/pref_names.h"
-#include "chromeos/chromeos_switches.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace em = enterprise_management;
-
-namespace policy {
-
-namespace {
-
-const em::AccessibilitySettingsProto_ScreenMagnifierType kFullScreenMagnifier =
-    em::AccessibilitySettingsProto_ScreenMagnifierType_SCREEN_MAGNIFIER_TYPE_FULL;
-
-// Spins the loop until a notification is received from |prefs| that the value
-// of |pref_name| has changed. If the notification is received before Wait()
-// has been called, Wait() returns immediately and no loop is spun.
-class PrefChangeWatcher {
- public:
-  PrefChangeWatcher(const char* pref_name, PrefService* prefs);
-
-  void Wait();
-
-  void OnPrefChange();
-
- private:
-  bool pref_changed_;
-
-  base::RunLoop run_loop_;
-  PrefChangeRegistrar registrar_;
-
-  DISALLOW_COPY_AND_ASSIGN(PrefChangeWatcher);
-};
-
-PrefChangeWatcher::PrefChangeWatcher(const char* pref_name,
-                                     PrefService* prefs)
-    : pref_changed_(false) {
-  registrar_.Init(prefs);
-  registrar_.Add(pref_name, base::Bind(&PrefChangeWatcher::OnPrefChange,
-                                       base::Unretained(this)));
-}
-
-void PrefChangeWatcher::Wait() {
-  if (!pref_changed_)
-    run_loop_.Run();
-}
-
-void PrefChangeWatcher::OnPrefChange() {
-  pref_changed_ = true;
-  run_loop_.Quit();
-}
-
-}  // namespace
-
-class LoginScreenDefaultPolicyBrowsertestBase
-    : public DevicePolicyCrosBrowserTest {
- protected:
-  LoginScreenDefaultPolicyBrowsertestBase();
-  virtual ~LoginScreenDefaultPolicyBrowsertestBase();
-
-  // DevicePolicyCrosBrowserTest:
-  virtual void SetUpInProcessBrowserTestFixture() OVERRIDE;
-  virtual void SetUpOnMainThread() OVERRIDE;
-
-  void RefreshDevicePolicyAndWaitForPrefChange(const char* pref_name);
-
-  Profile* login_profile_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(LoginScreenDefaultPolicyBrowsertestBase);
-};
-
-class LoginScreenDefaultPolicyLoginScreenBrowsertest
-    : public LoginScreenDefaultPolicyBrowsertestBase {
- protected:
-  LoginScreenDefaultPolicyLoginScreenBrowsertest();
-  virtual ~LoginScreenDefaultPolicyLoginScreenBrowsertest();
-
-  // LoginScreenDefaultPolicyBrowsertestBase:
-  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE;
-  virtual void SetUpOnMainThread() OVERRIDE;
-  virtual void CleanUpOnMainThread() OVERRIDE;
-
-  void VerifyPrefFollowsRecommendation(const char* pref_name,
-                                       const base::Value& recommended_value);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(LoginScreenDefaultPolicyLoginScreenBrowsertest);
-};
-
-class LoginScreenDefaultPolicyInSessionBrowsertest
-    : public LoginScreenDefaultPolicyBrowsertestBase {
- protected:
-  LoginScreenDefaultPolicyInSessionBrowsertest();
-  virtual ~LoginScreenDefaultPolicyInSessionBrowsertest();
-
-  // LoginScreenDefaultPolicyBrowsertestBase:
-  virtual void SetUpOnMainThread() OVERRIDE;
-
-  void VerifyPrefFollowsDefault(const char* pref_name);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(LoginScreenDefaultPolicyInSessionBrowsertest);
-};
-
-LoginScreenDefaultPolicyBrowsertestBase::
-    LoginScreenDefaultPolicyBrowsertestBase() : login_profile_(NULL) {
-}
-
-LoginScreenDefaultPolicyBrowsertestBase::
-    ~LoginScreenDefaultPolicyBrowsertestBase() {
-}
-
-void LoginScreenDefaultPolicyBrowsertestBase::
-    SetUpInProcessBrowserTestFixture() {
-  InstallOwnerKey();
-  MarkAsEnterpriseOwned(&temp_dir_);
-  DevicePolicyCrosBrowserTest::SetUpInProcessBrowserTestFixture();
-}
-
-void LoginScreenDefaultPolicyBrowsertestBase::SetUpOnMainThread() {
-  DevicePolicyCrosBrowserTest::SetUpOnMainThread();
-  login_profile_ = chromeos::ProfileHelper::GetSigninProfile();
-  ASSERT_TRUE(login_profile_);
-}
-
-void LoginScreenDefaultPolicyBrowsertestBase::
-    RefreshDevicePolicyAndWaitForPrefChange(const char* pref_name) {
-  PrefChangeWatcher watcher(pref_name, login_profile_->GetPrefs());
-  RefreshDevicePolicy();
-  watcher.Wait();
-}
-
-LoginScreenDefaultPolicyLoginScreenBrowsertest::
-    LoginScreenDefaultPolicyLoginScreenBrowsertest() {
-}
-
-LoginScreenDefaultPolicyLoginScreenBrowsertest::
-    ~LoginScreenDefaultPolicyLoginScreenBrowsertest() {
-}
-
-void LoginScreenDefaultPolicyLoginScreenBrowsertest::SetUpCommandLine(
-    CommandLine* command_line) {
-  LoginScreenDefaultPolicyBrowsertestBase::SetUpCommandLine(command_line);
-  command_line->AppendSwitch(chromeos::switches::kLoginManager);
-  command_line->AppendSwitch(chromeos::switches::kForceLoginManagerInTests);
-}
-
-void LoginScreenDefaultPolicyLoginScreenBrowsertest::SetUpOnMainThread() {
-  LoginScreenDefaultPolicyBrowsertestBase::SetUpOnMainThread();
-
-  // Set the login screen profile.
-  chromeos::AccessibilityManager* accessibility_manager =
-      chromeos::AccessibilityManager::Get();
-  ASSERT_TRUE(accessibility_manager);
-  accessibility_manager->SetProfileForTest(
-      chromeos::ProfileHelper::GetSigninProfile());
-
-  chromeos::MagnificationManager* magnification_manager =
-      chromeos::MagnificationManager::Get();
-  ASSERT_TRUE(magnification_manager);
-  magnification_manager->SetProfileForTest(
-      chromeos::ProfileHelper::GetSigninProfile());
-}
-
-void LoginScreenDefaultPolicyLoginScreenBrowsertest::CleanUpOnMainThread() {
-  base::MessageLoop::current()->PostTask(FROM_HERE,
-                                         base::Bind(&chrome::AttemptExit));
-  base::RunLoop().RunUntilIdle();
-  LoginScreenDefaultPolicyBrowsertestBase::CleanUpOnMainThread();
-}
-
-void LoginScreenDefaultPolicyLoginScreenBrowsertest::
-    VerifyPrefFollowsRecommendation(const char* pref_name,
-                                    const base::Value& recommended_value) {
-  const PrefService::Preference* pref =
-      login_profile_->GetPrefs()->FindPreference(pref_name);
-  ASSERT_TRUE(pref);
-  EXPECT_FALSE(pref->IsManaged());
-  EXPECT_FALSE(pref->IsDefaultValue());
-  EXPECT_TRUE(base::Value::Equals(&recommended_value, pref->GetValue()));
-  EXPECT_TRUE(base::Value::Equals(&recommended_value,
-                                  pref->GetRecommendedValue()));
-}
-
-LoginScreenDefaultPolicyInSessionBrowsertest::
-    LoginScreenDefaultPolicyInSessionBrowsertest() {
-}
-
-LoginScreenDefaultPolicyInSessionBrowsertest::
-    ~LoginScreenDefaultPolicyInSessionBrowsertest() {
-}
-
-void LoginScreenDefaultPolicyInSessionBrowsertest::SetUpOnMainThread() {
-  LoginScreenDefaultPolicyBrowsertestBase::SetUpOnMainThread();
-
-  // Tell the DeviceSettingsService that there is no local owner.
-  chromeos::DeviceSettingsService::Get()->SetUsername(std::string());
-}
-
-void LoginScreenDefaultPolicyInSessionBrowsertest::VerifyPrefFollowsDefault(
-    const char* pref_name) {
-  Profile* profile = ProfileManager::GetDefaultProfile();
-  ASSERT_TRUE(profile);
-  const PrefService::Preference* pref =
-      profile->GetPrefs()->FindPreference(pref_name);
-  ASSERT_TRUE(pref);
-  EXPECT_FALSE(pref->IsManaged());
-  EXPECT_TRUE(pref->IsDefaultValue());
-  EXPECT_FALSE(pref->GetRecommendedValue());
-}
-
-IN_PROC_BROWSER_TEST_F(LoginScreenDefaultPolicyLoginScreenBrowsertest,
-                       DeviceLoginScreenDefaultLargeCursorEnabled) {
-  // Verifies that the default state of the large cursor accessibility feature
-  // on the login screen can be controlled through device policy.
-
-  // Enable the large cursor through device policy and wait for the change to
-  // take effect.
-  em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
-  proto.mutable_accessibility_settings()->
-      set_login_screen_default_large_cursor_enabled(true);
-  RefreshDevicePolicyAndWaitForPrefChange(prefs::kLargeCursorEnabled);
-
-  // Verify that the pref which controls the large cursor in the login profile
-  // has changed to the policy-supplied default.
-  VerifyPrefFollowsRecommendation(prefs::kLargeCursorEnabled,
-                                  base::FundamentalValue(true));
-
-  // Verify that the large cursor is enabled.
-  chromeos::AccessibilityManager* accessibility_manager =
-      chromeos::AccessibilityManager::Get();
-  ASSERT_TRUE(accessibility_manager);
-  EXPECT_TRUE(accessibility_manager->IsLargeCursorEnabled());
-}
-
-IN_PROC_BROWSER_TEST_F(LoginScreenDefaultPolicyLoginScreenBrowsertest,
-                       DeviceLoginScreenDefaultSpokenFeedbackEnabled) {
-  // Verifies that the default state of the spoken feedback accessibility
-  // feature on the login screen can be controlled through device policy.
-
-  // Enable spoken feedback through device policy and wait for the change to
-  // take effect.
-  em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
-  proto.mutable_accessibility_settings()->
-      set_login_screen_default_spoken_feedback_enabled(true);
-  RefreshDevicePolicyAndWaitForPrefChange(prefs::kSpokenFeedbackEnabled);
-
-  // Verify that the pref which controls spoken feedback in the login profile
-  // has changed to the policy-supplied default.
-  VerifyPrefFollowsRecommendation(prefs::kSpokenFeedbackEnabled,
-                                  base::FundamentalValue(true));
-
-  // Verify that spoken feedback is enabled.
-  chromeos::AccessibilityManager* accessibility_manager =
-      chromeos::AccessibilityManager::Get();
-  ASSERT_TRUE(accessibility_manager);
-  EXPECT_TRUE(accessibility_manager->IsSpokenFeedbackEnabled());
-}
-
-IN_PROC_BROWSER_TEST_F(LoginScreenDefaultPolicyLoginScreenBrowsertest,
-                       DeviceLoginScreenDefaultHighContrastEnabled) {
-  // Verifies that the default state of the high contrast mode accessibility
-  // feature on the login screen can be controlled through device policy.
-
-  // Enable high contrast mode through device policy and wait for the change to
-  // take effect.
-  em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
-  proto.mutable_accessibility_settings()->
-      set_login_screen_default_high_contrast_enabled(true);
-  RefreshDevicePolicyAndWaitForPrefChange(prefs::kHighContrastEnabled);
-
-  // Verify that the pref which controls high contrast mode in the login profile
-  // has changed to the policy-supplied default.
-  VerifyPrefFollowsRecommendation(prefs::kHighContrastEnabled,
-                                  base::FundamentalValue(true));
-
-  // Verify that high contrast mode is enabled.
-  chromeos::AccessibilityManager* accessibility_manager =
-      chromeos::AccessibilityManager::Get();
-  ASSERT_TRUE(accessibility_manager);
-  EXPECT_TRUE(accessibility_manager->IsHighContrastEnabled());
-}
-
-IN_PROC_BROWSER_TEST_F(LoginScreenDefaultPolicyLoginScreenBrowsertest,
-                       DeviceLoginScreenDefaultScreenMagnifierType) {
-  // Verifies that the default screen magnifier type enabled on the login screen
-  // can be controlled through device policy.
-
-  // Set the screen magnifier type through device policy and wait for the change
-  // to take effect.
-  em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
-  proto.mutable_accessibility_settings()->
-      set_login_screen_default_screen_magnifier_type(kFullScreenMagnifier);
-  RefreshDevicePolicyAndWaitForPrefChange(prefs::kScreenMagnifierType);
-
-  // Verify that the prefs which control the screen magnifier type have changed
-  // to the policy-supplied default.
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierEnabled,
-                                  base::FundamentalValue(true));
-  VerifyPrefFollowsRecommendation(prefs::kScreenMagnifierType,
-                                  base::FundamentalValue(ash::MAGNIFIER_FULL));
-
-  // Verify that the full-screen magnifier is enabled.
-  chromeos::MagnificationManager* magnification_manager =
-      chromeos::MagnificationManager::Get();
-  ASSERT_TRUE(magnification_manager);
-  EXPECT_TRUE(magnification_manager->IsMagnifierEnabled());
-  EXPECT_EQ(ash::MAGNIFIER_FULL, magnification_manager->GetMagnifierType());
-}
-
-IN_PROC_BROWSER_TEST_F(LoginScreenDefaultPolicyInSessionBrowsertest,
-                       DeviceLoginScreenDefaultLargeCursorEnabled) {
-  // Verifies that changing the default state of the large cursor accessibility
-  // feature on the login screen through policy does not affect its state in a
-  // session.
-
-  // Enable the large cursor through device policy and wait for the change to
-  // take effect.
-  em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
-  proto.mutable_accessibility_settings()->
-      set_login_screen_default_large_cursor_enabled(true);
-  RefreshDevicePolicyAndWaitForPrefChange(prefs::kLargeCursorEnabled);
-
-  // Verify that the pref which controls the large cursor in the session is
-  // unchanged.
-  VerifyPrefFollowsDefault(prefs::kLargeCursorEnabled);
-
-  // Verify that the large cursor is disabled.
-  chromeos::AccessibilityManager* accessibility_manager =
-      chromeos::AccessibilityManager::Get();
-  ASSERT_TRUE(accessibility_manager);
-  EXPECT_FALSE(accessibility_manager->IsLargeCursorEnabled());
-}
-
-IN_PROC_BROWSER_TEST_F(LoginScreenDefaultPolicyInSessionBrowsertest,
-                       DeviceLoginScreenDefaultSpokenFeedbackEnabled) {
-  // Verifies that changing the default state of the spoken feedback
-  // accessibility feature on the login screen through policy does not affect
-  // its state in a session.
-
-  // Enable spoken feedback through device policy and wait for the change to
-  // take effect.
-  em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
-  proto.mutable_accessibility_settings()->
-      set_login_screen_default_spoken_feedback_enabled(true);
-  RefreshDevicePolicyAndWaitForPrefChange(prefs::kSpokenFeedbackEnabled);
-
-  // Verify that the pref which controls the spoken feedback in the session is
-  // unchanged.
-  VerifyPrefFollowsDefault(prefs::kSpokenFeedbackEnabled);
-
-  // Verify that spoken feedback is disabled.
-  chromeos::AccessibilityManager* accessibility_manager =
-      chromeos::AccessibilityManager::Get();
-  ASSERT_TRUE(accessibility_manager);
-  EXPECT_FALSE(accessibility_manager->IsSpokenFeedbackEnabled());
-}
-
-IN_PROC_BROWSER_TEST_F(LoginScreenDefaultPolicyInSessionBrowsertest,
-                       DeviceLoginScreenDefaultHighContrastEnabled) {
-  // Verifies that changing the default state of the high contrast mode
-  // accessibility feature on the login screen through policy does not affect
-  // its state in a session.
-
-  // Enable high contrast mode through device policy and wait for the change to
-  // take effect.
-  em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
-  proto.mutable_accessibility_settings()->
-      set_login_screen_default_high_contrast_enabled(true);
-  RefreshDevicePolicyAndWaitForPrefChange(prefs::kHighContrastEnabled);
-
-  // Verify that the pref which controls high contrast mode in the session is
-  // unchanged.
-  VerifyPrefFollowsDefault(prefs::kHighContrastEnabled);
-
-  // Verify that high contrast mode is disabled.
-  chromeos::AccessibilityManager* accessibility_manager =
-      chromeos::AccessibilityManager::Get();
-  ASSERT_TRUE(accessibility_manager);
-  EXPECT_FALSE(accessibility_manager->IsHighContrastEnabled());
-}
-
-IN_PROC_BROWSER_TEST_F(LoginScreenDefaultPolicyInSessionBrowsertest,
-                       DeviceLoginScreenDefaultScreenMagnifierType) {
-  // Verifies that changing the default screen magnifier type enabled on the
-  // login screen through policy does not affect its state in a session.
-
-  // Set the screen magnifier type through device policy and wait for the change
-  // to take effect.
-  em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
-  proto.mutable_accessibility_settings()->
-      set_login_screen_default_screen_magnifier_type(kFullScreenMagnifier);
-  RefreshDevicePolicyAndWaitForPrefChange(prefs::kScreenMagnifierType);
-
-  // Verify that the prefs which control the screen magnifier in the session are
-  // unchanged.
-  VerifyPrefFollowsDefault(prefs::kScreenMagnifierEnabled);
-  VerifyPrefFollowsDefault(prefs::kScreenMagnifierType);
-
-  // Verify that the screen magnifier is disabled.
-  chromeos::MagnificationManager* magnification_manager =
-      chromeos::MagnificationManager::Get();
-  ASSERT_TRUE(magnification_manager);
-  EXPECT_FALSE(magnification_manager->IsMagnifierEnabled());
-  EXPECT_EQ(ash::kDefaultMagnifierType,
-            magnification_manager->GetMagnifierType());
-}
-
-} // namespace policy