Turn off future-timestamp cloud policy checks on desktop

chrome/browser/policy/cloud/user_cloud_policy_store_base.cc

Index: chrome/browser/policy/cloud/user_cloud_policy_store_base.cc
diff --git a/chrome/browser/policy/cloud/user_cloud_policy_store_base.cc b/chrome/browser/policy/cloud/user_cloud_policy_store_base.cc
index b2c38fcd26411f1074631dbecf06bb39f4c100b3..2d097ba7e00d2ead5ed327c8d63da440818b513c 100644
--- a/chrome/browser/policy/cloud/user_cloud_policy_store_base.cc
+++ b/chrome/browser/policy/cloud/user_cloud_policy_store_base.cc
@@ -24,14 +24,15 @@ UserCloudPolicyStoreBase::~UserCloudPolicyStoreBase() {
 }
 
 scoped_ptr<UserCloudPolicyValidator> UserCloudPolicyStoreBase::CreateValidator(
-    scoped_ptr<enterprise_management::PolicyFetchResponse> policy) {
+    scoped_ptr<enterprise_management::PolicyFetchResponse> policy,
+    CloudPolicyValidatorBase::ValidateTimestampOption timestamp_option) {
   // Configure the validator.
   UserCloudPolicyValidator* validator =
       UserCloudPolicyValidator::Create(policy.Pass());
   validator->ValidatePolicyType(GetChromeUserPolicyType());
   validator->ValidateAgainstCurrentPolicy(
       policy_.get(),
-      CloudPolicyValidatorBase::TIMESTAMP_REQUIRED,
+      timestamp_option,
       CloudPolicyValidatorBase::DM_TOKEN_REQUIRED);
   validator->ValidatePayload();
   return scoped_ptr<UserCloudPolicyValidator>(validator);