Propagate the remote socket address to URLRequest and to ViewHostMsg_FrameNavigate.

net/base/host_port_pair.cc

Index: net/base/host_port_pair.cc
diff --git a/net/base/host_port_pair.cc b/net/base/host_port_pair.cc
index 1c4406f4b7fb3952f4cac0beff25cb910bba36e5..5164fcf0c2b910408d247555e599434c7b48a42d 100644
--- a/net/base/host_port_pair.cc
+++ b/net/base/host_port_pair.cc
@@ -7,6 +7,8 @@
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "googleurl/src/gurl.h"
+#include "net/base/net_util.h"
+#include "net/base/sys_addrinfo.h"
 
 namespace net {
 
@@ -19,6 +21,12 @@ HostPortPair HostPortPair::FromURL(const GURL& url) {
   return HostPortPair(url.HostNoBrackets(), url.EffectiveIntPort());
 }
 
+// static
+HostPortPair HostPortPair::FromAddrInfo(const struct addrinfo* ai) {
+  return HostPortPair(NetAddressToString(ai),
+                      GetPortFromSockaddr(ai->ai_addr, ai->ai_addrlen));
+}
+
 std::string HostPortPair::ToString() const {
   return base::StringPrintf("%s:%u", HostForURL().c_str(), port_);
 }