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..c6430c87039176c9c92eaf16ee5a106b23ea0b43 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_allow_redeem_offers()) {
+    const em::AllowRedeemChromeOsRegistrationOffersProto& container(
+        policy.allow_redeem_offers());
+    if (container.has_allow_redeem_offers()) {
+      policies->Set(key::kDeviceAllowRedeemChromeOsRegistrationOffers,
+                    POLICY_LEVEL_MANDATORY,
+                    POLICY_SCOPE_MACHINE,
+                    Value::CreateBooleanValue(
+                        container.allow_redeem_offers()));
+    }
+  }
 }
 
 }  // namespace