Data Reduction Proxy: Remove duplicate functions

components/data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values.cc
index acb1d4685389de11a067d99e5cfe2a0e6cc2a26c..421cca58811cabe85e0402f4cb262beb7659f1ac 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_mutable_config_values.cc
@@ -16,16 +16,12 @@ DataReductionProxyMutableConfigValues::CreateFromParams(
     const DataReductionProxyParams* params) {
   std::unique_ptr<DataReductionProxyMutableConfigValues> config_values(
       new DataReductionProxyMutableConfigValues());
-  config_values->promo_allowed_ = params->promo_allowed();
-  config_values->holdback_ = params->holdback();
   config_values->secure_proxy_check_url_ = params->secure_proxy_check_url();
   return config_values;
 }
 
 DataReductionProxyMutableConfigValues::DataReductionProxyMutableConfigValues()
-    : promo_allowed_(false),
-      holdback_(false),
-      use_override_proxies_for_http_(false) {
+    : use_override_proxies_for_http_(false) {
   use_override_proxies_for_http_ =
       params::GetOverrideProxiesForHttpFromCommandLine(
           &override_proxies_for_http_);
@@ -38,14 +34,6 @@ DataReductionProxyMutableConfigValues::
     ~DataReductionProxyMutableConfigValues() {
 }
 
-bool DataReductionProxyMutableConfigValues::promo_allowed() const {
-  return promo_allowed_;
-}
-
-bool DataReductionProxyMutableConfigValues::holdback() const {
-  return holdback_;
-}
-
 const std::vector<DataReductionProxyServer>&
 DataReductionProxyMutableConfigValues::proxies_for_http() const {
   DCHECK(thread_checker_.CalledOnValidThread());