Add GURL::HostNoBracketsPiece()

url/gurl.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/gurl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <ostream>
@@ skipping 434 matching lines @@
   // terminator. If we're an inner_url, our spec continues on into our outer
   // URL's path/query/ref.
   int path_len = parsed_.path.len;
   if (parsed_.query.is_valid())
     path_len = parsed_.query.end() - parsed_.path.begin;
 
   return std::string(spec_, parsed_.path.begin, path_len);
 }
 
 std::string GURL::HostNoBrackets() const {
+  return HostNoBracketsPiece().as_string();
+}
+
+base::StringPiece GURL::HostNoBracketsPiece() const {
   // If host looks like an IPv6 literal, strip the square brackets.
   url::Component h(parsed_.host);
   if (h.len >= 2 && spec_[h.begin] == '[' && spec_[h.end() - 1] == ']') {
     h.begin++;
     h.len -= 2;
   }
-  return ComponentString(h);
+  return ComponentStringPiece(h);
 }
 
 std::string GURL::GetContent() const {
   return is_valid_ ? ComponentString(parsed_.GetContent()) : std::string();
 }
 
 bool GURL::HostIsIPAddress() const {
   return is_valid_ && url::HostIsIPAddress(host_piece());
 }
 
@@ skipping 73 matching lines @@
 }
 
 bool operator==(const GURL& x, const base::StringPiece& spec) {
   DCHECK_EQ(GURL(spec).possibly_invalid_spec(), spec);
   return x.possibly_invalid_spec() == spec;
 }
 
 bool operator!=(const GURL& x, const base::StringPiece& spec) {
   return !(x == spec);
 }