Add data reduction functionality to all platforms.

net/proxy/proxy_service.cc

Index: net/proxy/proxy_service.cc
diff --git a/net/proxy/proxy_service.cc b/net/proxy/proxy_service.cc
index a1d634a75843d53f820b85861d42f3457676b1a6..0abeb7d40698294c8fd8bab117a97da15dbc14f7 100644
--- a/net/proxy/proxy_service.cc
+++ b/net/proxy/proxy_service.cc
@@ -1207,7 +1207,6 @@ int ProxyService::ReconsiderProxyAfterError(const GURL& url,
                         network_delegate, net_log);
   }
 
-#if defined(SPDY_PROXY_AUTH_ORIGIN)
   if (result->proxy_server().isDataReductionProxy()) {

[bengr, 2014/07/11 20:42:54]

We should embed this logic into ProxyService instead of it being part of
ProxyService.

     RecordDataReductionProxyBypassInfo(
         true, false, result->proxy_server(), NETWORK_ERROR);
@@ -1219,7 +1218,6 @@ int ProxyService::ReconsiderProxyAfterError(const GURL& url,
     RecordDataReductionProxyBypassOnNetworkError(
         false, result->proxy_server(), net_error);
   }
-#endif
 
   // We don't have new proxy settings to try, try to fallback to the next proxy
   // in the list.