Data Reduction Proxy: Remove duplicate functions

components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h b/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h
index b329f5f1cb3e4fabc5330d3e375f550c299ca01b..eee85d13d81f2faefa082bab054191015eba774a 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h
@@ -169,12 +169,6 @@ class DataReductionProxySettings : public DataReductionProxyServiceObserver {
   // InitDataReductionProxySettings has not been called.
   DataReductionProxyEventStore* GetEventStore() const;
 
-  // Returns true if the data reduction proxy promo may be shown.
-  // This is independent of whether the data reduction proxy is allowed.
-  bool PromoAllowed() const {
-    return promo_allowed_;
-  }
-
   DataReductionProxyService* data_reduction_proxy_service() {
     return data_reduction_proxy_service_.get();
   }
@@ -194,8 +188,6 @@ class DataReductionProxySettings : public DataReductionProxyServiceObserver {
  protected:
   void InitPrefMembers();
 
-  void UpdateConfigValues();
-
   // Virtualized for unit test support.
   virtual PrefService* GetOriginalProfilePrefs();
 
@@ -281,11 +273,6 @@ class DataReductionProxySettings : public DataReductionProxyServiceObserver {
   // IO object calls will be performed at that time.
   bool deferred_initialization_;
 
-  // The following values are cached in order to access the values on the
-  // correct thread.
-  bool allowed_;
-  bool promo_allowed_;
-
   // The number of requests to reload the page with images from the Lo-Fi
   // UI until Lo-Fi is disabled for the remainder of the session.
   int lo_fi_user_requests_for_images_per_session_;