Dev finch trial of the data reduction proxy overrides both the primary and the fallback hosts

components/data_reduction_proxy/browser/data_reduction_proxy_params.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_PARAMS_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_PARAMS_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 232 matching lines @@
   // corresponding definitions for the allowed configurations.
   bool Init(bool allowed, bool fallback_allowed, bool alt_allowed);
 
   // Initialize the values of the proxies, and probe URL from command
   // line flags and preprocessor constants.
   void InitWithoutChecks();
 
   // Returns the corresponding string from preprocessor constants if defined,
   // and an empty string otherwise.
   virtual std::string GetDefaultDevOrigin() const;
+  virtual std::string GetDefaultDevFallbackOrigin() const;
   virtual std::string GetDefaultOrigin() const;
   virtual std::string GetDefaultFallbackOrigin() const;
   virtual std::string GetDefaultSSLOrigin() const;
   virtual std::string GetDefaultAltOrigin() const;
   virtual std::string GetDefaultAltFallbackOrigin() const;
   virtual std::string GetDefaultProbeURL() const;
   virtual std::string GetDefaultWarmupURL() const;
 
  private:
   // Checks if the primary and fallback data reduction proxies are in the retry
@@ skipping 20 matching lines @@
   bool fallback_allowed_;
   bool alt_allowed_;
   bool promo_allowed_;
   bool holdback_;
 
   bool configured_on_command_line_;
 };
 
 }  // namespace data_reduction_proxy
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_PARAMS_H_