Set trusted SPDY proxy dynamically on per-profile basis

chrome/browser/io_thread.h

Index: chrome/browser/io_thread.h
diff --git a/chrome/browser/io_thread.h b/chrome/browser/io_thread.h
index bf5b93d5b3361510f4a75b36eafc69517e7c6748..13c61252f8c34447d58780ca3b543722fd10a2df 100644
--- a/chrome/browser/io_thread.h
+++ b/chrome/browser/io_thread.h
@@ -209,7 +209,6 @@ class IOThread : public content::BrowserThreadDelegate {
     Optional<bool> enable_spdy_ping_based_connection_checking;
     Optional<net::NextProto> spdy_default_protocol;
     net::NextProtoVector next_protos;
-    Optional<std::string> trusted_spdy_proxy;
     std::set<net::HostPortPair> forced_spdy_exclusions;
     Optional<bool> parse_alternative_services;
     Optional<bool> enable_alternative_service_with_different_host;