Propagate the remote socket address to URLRequest and to ViewHostMsg_FrameNavigate.

net/url_request/url_request.h

Index: net/url_request/url_request.h
diff --git a/net/url_request/url_request.h b/net/url_request/url_request.h
index 3f399a658831a9933b418e31e956e75e6a4f65b0..08e1fed2f60be78d53cd80de7175b40e46072b46 100644
--- a/net/url_request/url_request.h
+++ b/net/url_request/url_request.h
@@ -416,6 +416,11 @@ class URLRequest : public base::NonThreadSafe {
     return response_info_.was_fetched_via_proxy;
   }
 
+  // Returns the IP:port that the content was fetched from, or empty if
+  // this is not available.  See http_response_info.h for caveats relating
+  // to cached content.
+  std::string GetSocketAddress() const;
+
   // Get all response headers, as a HttpResponseHeaders object.  See comments
   // in HttpResponseHeaders class as to the format of the data.
   net::HttpResponseHeaders* response_headers() const;