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

components/data_reduction_proxy/browser/data_reduction_proxy_params.cc

Index: components/data_reduction_proxy/browser/data_reduction_proxy_params.cc
diff --git a/components/data_reduction_proxy/browser/data_reduction_proxy_params.cc b/components/data_reduction_proxy/browser/data_reduction_proxy_params.cc
index f5804d08d09f80277f791236bca2da28eb77b961..5a7c9e2acc720c14f97c3cdc27e26666e896c917 100644
--- a/components/data_reduction_proxy/browser/data_reduction_proxy_params.cc
+++ b/components/data_reduction_proxy/browser/data_reduction_proxy_params.cc
@@ -358,23 +358,6 @@ bool DataReductionProxyParams::IsDataReductionProxy(
   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 {