Revert of Don't process HSTS/HPKP headers when host is an IP address

net/url_request/url_request_http_job.cc

Index: net/url_request/url_request_http_job.cc
diff --git a/net/url_request/url_request_http_job.cc b/net/url_request/url_request_http_job.cc
index 890620a9d5bf1f3590b9d631ec8fa8179e174f5f..1a60ac4f52cb6e13fbc7bde9810114eba65787aa 100644
--- a/net/url_request/url_request_http_job.cc
+++ b/net/url_request/url_request_http_job.cc
@@ -794,10 +794,6 @@
       !security_state)
     return;
 
-  // Don't accept HSTS headers when the hostname is an IP address.
-  if (request_info_.url.HostIsIPAddress())
-    return;
-
   // http://tools.ietf.org/html/draft-ietf-websec-strict-transport-sec:
   //
   //   If a UA receives more than one STS header field in a HTTP response
@@ -819,10 +815,6 @@
   // certificate errors.
   if (!ssl_info.is_valid() || IsCertStatusError(ssl_info.cert_status) ||
       !security_state)
-    return;
-
-  // Don't accept HSTS headers when the hostname is an IP address.
-  if (request_info_.url.HostIsIPAddress())
     return;
 
   // http://tools.ietf.org/html/draft-ietf-websec-key-pinning: