Merge logic for SameDomainOrHost for GURLs and Origins

url/url_util.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "url/url_util.h"
 
 #include <stddef.h>
 #include <string.h>
 #include <vector>
 
@@ skipping 520 matching lines @@
   // immediately before the compared part should be a dot. For example,
   // www.google.com has domain "google.com", but www.iamnotgoogle.com does not.
   if (lower_ascii_domain[0] != '.' && host_len > lower_ascii_domain.length() &&
       *(host_first_pos - 1) != '.') {
     return false;
   }
 
   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,
                   CharsetConverter* charset_converter,
                   CanonOutput* output,
                   Parsed* output_parsed) {
   return DoCanonicalize(spec, spec_len, trim_path_end, REMOVE_WHITESPACE,
                         charset_converter, output, output_parsed);
 }
 
@@ skipping 121 matching lines @@
   return DoCompareSchemeComponent(spec, component, compare_to);
 }
 
 bool CompareSchemeComponent(const base::char16* spec,
                             const Component& component,
                             const char* compare_to) {
   return DoCompareSchemeComponent(spec, component, compare_to);
 }
 
 }  // namespace url