Trigger data reduction proxy unreachable message via on proxy fall back.

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 116 matching lines @@
   // the proxy that matches. |proxy_info.proxy_servers.second| will contain the
   // name of the data reduction proxy server that would be used if
   // |proxy_info.proxy_server.first| is bypassed, if one exists. In addition,
   // |proxy_info| will note if the proxy was a fallback, an alternative, or a
   // proxy for ssl; these are not mutually exclusive. |proxy_info| can be NULL
   // if the caller isn't interested in its values. Virtual for testing.
   virtual bool IsDataReductionProxy(
       const net::HostPortPair& host_port_pair,
       DataReductionProxyTypeInfo* proxy_info) const;
 
-  // Returns true if this request will be sent through the data request proxy
-  // based on applying the param rules to the URL. We do not check bad proxy
-  // list.
-  virtual bool IsDataReductionProxyEligible(const net::URLRequest* request);
-
   // Returns true if this request would be bypassed by the data request proxy
   // based on applying the |data_reduction_proxy_config| param rules to the
   // request URL.
   bool IsBypassedByDataReductionProxyLocalRules(
       const net::URLRequest& request,
       const net::ProxyConfig& data_reduction_proxy_config) const;
 
   // Checks if all configured data reduction proxies are in the retry map.
   // Returns true if the request is bypassed by all configured data reduction
   // proxies and returns the bypass delay in delay_seconds (if not NULL). If
@@ skipping 150 matching lines @@
   bool alt_allowed_;
   bool alt_fallback_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_