Remove kAllowed and kFallbackAllowed from data reduction proxy

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 f5225420d8a8600693d6e21e8890f6df2b241bba..a258151356bc690b7d9fe9d5ce28441f3b53fa26 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
@@ -187,11 +187,6 @@ class DataReductionProxySettings : public DataReductionProxyServiceObserver,
   // InitDataReductionProxySettings has not been called.
   DataReductionProxyEventStore* GetEventStore() const;
 
-  // Returns true if the data reduction proxy configuration may be used.
-  bool Allowed() const {
-    return allowed_;
-  }
-
   // 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 {
@@ -224,12 +219,12 @@ class DataReductionProxySettings : public DataReductionProxyServiceObserver,
 
   // Metrics method. Subclasses should override if they wish to provide
   // alternatives.
-  virtual void RecordDataReductionInit();
+  virtual void RecordDataReductionInit() const;
 
   // Virtualized for mocking. Records UMA specifying whether the proxy was
   // enabled or disabled at startup.
   virtual void RecordStartupState(
-      data_reduction_proxy::ProxyStartupState state);
+      data_reduction_proxy::ProxyStartupState state) const;
 
  private:
   friend class DataReductionProxySettingsTestBase;