Welcome screen - missing a11y toggle tests

Added test for enabling and  disabling virtual keyboard and docked
magnifier accessibility features.

BUG=953020

Change-Id: I380baa5ee34bdb3b006751d13e0566470b2f5dcc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1607132Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Commit-Queue: Toni Baržić <tbarzic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#659312}

chrome/browser/chromeos/login/screens/welcome_screen_browsertest.cc

@@ -15,6 +15,7 @@
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/browser/ui/webui/chromeos/login/welcome_screen_handler.h"
 #include "chromeos/dbus/constants/dbus_switches.h"
+#include "ui/accessibility/accessibility_switches.h"
 
 namespace chromeos {
 
@@ -96,13 +97,27 @@ class WelcomeScreenSystemDevModeBrowserTest : public WelcomeScreenBrowserTest {
   WelcomeScreenSystemDevModeBrowserTest() = default;
   ~WelcomeScreenSystemDevModeBrowserTest() override = default;
 
-  // InProcessBrowserTest:
+  // WelcomeScreenBrowserTest:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     WelcomeScreenBrowserTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(chromeos::switches::kSystemDevMode);
   }
 };
 
+class WelcomeScreenWithExperimentalAccessibilityFeaturesTest
+    : public WelcomeScreenBrowserTest {
+ public:
+  WelcomeScreenWithExperimentalAccessibilityFeaturesTest() = default;
+  ~WelcomeScreenWithExperimentalAccessibilityFeaturesTest() override = default;
+
+  // WelcomeScreenBrowserTest:
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    command_line->AppendSwitch(
+        ::switches::kEnableExperimentalAccessibilityFeatures);
+    WelcomeScreenBrowserTest::SetUpCommandLine(command_line);
+  }
+};
+
 IN_PROC_BROWSER_TEST_F(WelcomeScreenBrowserTest, WelcomeScreenElements) {
   welcome_screen_->Show();
   OobeScreenWaiter(WelcomeView::kScreenId).Wait();
@@ -294,6 +309,41 @@ IN_PROC_BROWSER_TEST_F(WelcomeScreenBrowserTest,
   ASSERT_FALSE(MagnificationManager::Get()->IsMagnifierEnabled());
 }
 
+IN_PROC_BROWSER_TEST_F(WelcomeScreenBrowserTest, A11yDockedMagnifierDisabled) {
+  welcome_screen_->Show();
+  OobeScreenWaiter(WelcomeView::kScreenId).Wait();
+  test::OobeJS().ExpectHiddenPath({"connect", "dockedMagnifierOobeOption"});
+}
+
+IN_PROC_BROWSER_TEST_F(WelcomeScreenWithExperimentalAccessibilityFeaturesTest,
+                       A11yDockedMagnifierEnabled) {
+  welcome_screen_->Show();
+  OobeScreenWaiter(WelcomeView::kScreenId).Wait();
+  test::OobeJS().TapOnPath(
+      {"connect", "welcomeScreen", "accessibilitySettingsButton"});
+
+  ASSERT_FALSE(MagnificationManager::Get()->IsDockedMagnifierEnabled());
+  ToggleAccessibilityFeature("dockedMagnifierOobeOption", true);
+  ASSERT_TRUE(MagnificationManager::Get()->IsDockedMagnifierEnabled());
+
+  ToggleAccessibilityFeature("dockedMagnifierOobeOption", false);
+  ASSERT_FALSE(MagnificationManager::Get()->IsDockedMagnifierEnabled());
+}
+
+IN_PROC_BROWSER_TEST_F(WelcomeScreenBrowserTest, A11yVirtualKeyboard) {
+  welcome_screen_->Show();
+  OobeScreenWaiter(WelcomeView::kScreenId).Wait();
+  test::OobeJS().TapOnPath(
+      {"connect", "welcomeScreen", "accessibilitySettingsButton"});
+
+  ASSERT_FALSE(AccessibilityManager::Get()->IsVirtualKeyboardEnabled());
+  ToggleAccessibilityFeature("accessibility-virtual-keyboard", true);
+  ASSERT_TRUE(AccessibilityManager::Get()->IsVirtualKeyboardEnabled());
+
+  ToggleAccessibilityFeature("accessibility-virtual-keyboard", false);
+  ASSERT_FALSE(AccessibilityManager::Get()->IsVirtualKeyboardEnabled());
+}
+
 IN_PROC_BROWSER_TEST_F(WelcomeScreenSystemDevModeBrowserTest,
                        DebuggerModeTest) {
   welcome_screen_->Show();

chrome/browser/resources/chromeos/login/oobe_welcome.html

@@ -200,8 +200,7 @@
             [[i18nDynamic(locale, 'a11ySettingToggleOptionOff')]]
           </span>
         </oobe-a11y-option>
-        <oobe-a11y-option id="accessibility-screen-docked-magnifier"
-            checked="[[a11yStatus.dockedMagnifierEnabled]]"
+        <oobe-a11y-option checked="[[a11yStatus.dockedMagnifierEnabled]]"
             on-change="onA11yOptionChanged_"
             chrome-message="enableDockedMagnifier"
             label-for-aria="[[i18nDynamic(locale, 'dockedMagnifierOption')]]"
@@ -217,7 +216,8 @@
             [[i18nDynamic(locale, 'a11ySettingToggleOptionOff')]]
           </span>
         </oobe-a11y-option>
-        <oobe-a11y-option checked="[[a11yStatus.virtualKeyboardEnabled]]"
+        <oobe-a11y-option id="accessibility-virtual-keyboard"
+            checked="[[a11yStatus.virtualKeyboardEnabled]]"
             on-change="onA11yOptionChanged_"
             chrome-message="enableVirtualKeyboard"
             label-for-aria="[[i18nDynamic(locale, 'virtualKeyboardOption')]]">