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

components/data_reduction_proxy/browser/data_reduction_proxy_params.cc

 // 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.
 
 #include "components/data_reduction_proxy/browser/data_reduction_proxy_params.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 334 matching lines @@
     if (proxy_info) {
       proxy_info->proxy_servers.first = ssl_origin();
       proxy_info->proxy_servers.second = GURL();
       proxy_info->is_ssl = true;
     }
     return true;
   }
   return false;
 }
 
-// TODO(kundaji): Check that the request will actually be sent through the
-// proxy.
-bool DataReductionProxyParams::IsDataReductionProxyEligible(
-    const net::URLRequest* request) {
-  DCHECK(request);
-  DCHECK(request->context());
-  DCHECK(request->context()->proxy_service());
-  net::ProxyInfo result;
-  request->context()->proxy_service()->config().proxy_rules().Apply(
-      request->url(), &result);
-  if (!result.proxy_server().is_valid())
-    return false;
-  if (result.proxy_server().is_direct())
-    return false;
-  return IsDataReductionProxy(result.proxy_server().host_port_pair(), NULL);
-}
-
 bool DataReductionProxyParams::IsBypassedByDataReductionProxyLocalRules(
     const net::URLRequest& request,
     const net::ProxyConfig& data_reduction_proxy_config) const {
   DCHECK(request.context());
   DCHECK(request.context()->proxy_service());
   net::ProxyInfo result;
   data_reduction_proxy_config.proxy_rules().Apply(
       request.url(), &result);
   if (!result.proxy_server().is_valid())
     return true;
@@ skipping 158 matching lines @@
 }
 
 std::string DataReductionProxyParams::GetDefaultWarmupURL() const {
 #if defined(DATA_REDUCTION_PROXY_WARMUP_URL)
   return DATA_REDUCTION_PROXY_WARMUP_URL;
 #endif
   return std::string();
 }
 
 }  // namespace data_reduction_proxy