Merge logic for SameDomainOrHost for GURLs and Origins

url/url_util.cc

Index: url/url_util.cc
diff --git a/url/url_util.cc b/url/url_util.cc
index 0b3044dc854487cf56e99462d033c0bd671275ed..b3e360424152668e0a786883ad206734fc657366 100644
--- a/url/url_util.cc
+++ b/url/url_util.cc
@@ -538,6 +538,14 @@ bool DomainIs(base::StringPiece canonicalized_host,
   return true;
 }
 
+bool HostIsIPAddress(base::StringPiece host) {
+  url::RawCanonOutputT<char, 128> ignored_output;
+  url::CanonHostInfo host_info;
+  url::CanonicalizeIPAddress(host.data(), Component(0, host.length()),
+                             &ignored_output, &host_info);
+  return host_info.IsIPAddress();
+}
+
 bool Canonicalize(const char* spec,
                   int spec_len,
                   bool trim_path_end,