Add device policies to control accessibility settings on the login screen

chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc

Index: chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc
diff --git a/chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc b/chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc
index 5d22a9bfd2b06f86aad7d1e98ab4f24f97103661..3b9eaf235bd37653b1caaac08c09007fdd0921ff 100644
--- a/chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc
+++ b/chrome/browser/chromeos/policy/device_policy_decoder_chromeos.cc
@@ -416,6 +416,50 @@ void DecodeAutoUpdatePolicies(const em::ChromeDeviceSettingsProto& policy,
   }
 }
 
+void DecodeAccessibilityPolicies(const em::ChromeDeviceSettingsProto& policy,
+                                 PolicyMap* policies) {
+  if (policy.has_accessibility_settings()) {
+    const em::AccessibilitySettingsProto&
+        container(policy.accessibility_settings());
+
+    if (container.has_login_screen_default_large_cursor_enabled()) {
+      policies->Set(
+          key::kLoginScreenDefaultLargeCursorEnabled,
+          POLICY_LEVEL_MANDATORY,
+          POLICY_SCOPE_MACHINE,
+          Value::CreateBooleanValue(
+              container.login_screen_default_large_cursor_enabled()));
+    }
+
+    if (container.has_login_screen_default_spoken_feedback_enabled()) {
+      policies->Set(
+          key::kLoginScreenDefaultSpokenFeedbackEnabled,
+          POLICY_LEVEL_MANDATORY,
+          POLICY_SCOPE_MACHINE,
+          Value::CreateBooleanValue(
+              container.login_screen_default_spoken_feedback_enabled()));
+    }
+
+    if (container.has_login_screen_default_high_contrast_enabled()) {
+      policies->Set(
+          key::kLoginScreenDefaultHighContrastEnabled,
+          POLICY_LEVEL_MANDATORY,
+          POLICY_SCOPE_MACHINE,
+          Value::CreateBooleanValue(
+              container.login_screen_default_high_contrast_enabled()));
+    }
+
+    if (container.has_login_screen_default_screen_magnifier_type()) {
+      policies->Set(
+          key::kLoginScreenDefaultScreenMagnifierType,
+          POLICY_LEVEL_MANDATORY,
+          POLICY_SCOPE_MACHINE,
+          DecodeIntegerValue(
+              container.login_screen_default_screen_magnifier_type()));
+    }
+  }
+}
+
 void DecodeGenericPolicies(const em::ChromeDeviceSettingsProto& policy,
                            PolicyMap* policies) {
   if (policy.has_device_policy_refresh_rate()) {
@@ -533,6 +577,7 @@ void DecodeDevicePolicy(const em::ChromeDeviceSettingsProto& policy,
   DecodeNetworkPolicies(policy, policies, install_attributes);
   DecodeReportingPolicies(policy, policies);
   DecodeAutoUpdatePolicies(policy, policies);
+  DecodeAccessibilityPolicies(policy, policies);
   DecodeGenericPolicies(policy, policies);
 }