Remove unused was_fetched_via_proxy members

content/public/common/resource_response_info.h

Index: content/public/common/resource_response_info.h
diff --git a/content/public/common/resource_response_info.h b/content/public/common/resource_response_info.h
index e09b26027765aa770acf31e3592b42ad6ad43e54..3e8618c3c2b832f32dda1d77094b47ace1593601 100644
--- a/content/public/common/resource_response_info.h
+++ b/content/public/common/resource_response_info.h
@@ -98,13 +98,6 @@ struct CONTENT_EXPORT ResourceResponseInfo {
   // Information about the type of connection used to fetch this response.
   net::HttpResponseInfo::ConnectionInfo connection_info;
 
-  // True if the response was fetched via an explicit proxy (as opposed to a
-  // transparent proxy). The proxy could be any type of proxy, HTTP or SOCKS.
-  // Note: we cannot tell if a transparent proxy may have been involved. If
-  // true, |proxy_server| contains the name of the proxy server that was used.
-  bool was_fetched_via_proxy;
-  net::HostPortPair proxy_server;
-
   // ALPN protocol negotiated with the server.
   std::string alpn_negotiated_protocol;