Disable/enable echo for enterprise device.

chrome/browser/policy/device_policy_decoder_chromeos.cc

Index: chrome/browser/policy/device_policy_decoder_chromeos.cc
diff --git a/chrome/browser/policy/device_policy_decoder_chromeos.cc b/chrome/browser/policy/device_policy_decoder_chromeos.cc
index 53d3d95b09739b222ab740bd907c680407427e8f..1a7567fc44bb010fddd9ace3857bd443a121b565 100644
--- a/chrome/browser/policy/device_policy_decoder_chromeos.cc
+++ b/chrome/browser/policy/device_policy_decoder_chromeos.cc
@@ -413,6 +413,18 @@ void DecodeGenericPolicies(const em::ChromeDeviceSettingsProto& policy,
                         policy.system_timezone().timezone()));
     }
   }
+
+  if (policy.has_cros_registration_enabled()) {
+    const em::ChromeOsRegistrationEnabledProto& container(
+        policy.cros_registration_enabled());
+    if (container.has_chrome_os_registration_enabled()) {
+      policies->Set(key::kDeviceChromeOsRegistrationEnabled,
+                    POLICY_LEVEL_MANDATORY,
+                    POLICY_SCOPE_MACHINE,
+                    Value::CreateBooleanValue(
+                        container.chrome_os_registration_enabled()));
+    }
+  }
 }
 
 }  // namespace