Convert GURL::{host,path} to GURL::{host_piece,path_piece} for ==.

components/url_formatter/url_formatter.cc

 // Copyright 2015 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 "components/url_formatter/url_formatter.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 760 matching lines @@
     AdjustAllComponentsButScheme(delta, new_parsed);
   }
 
   return url_string;
 }
 
 bool CanStripTrailingSlash(const GURL& url) {
   // Omit the path only for standard, non-file URLs with nothing but "/" after
   // the hostname.
   return url.IsStandard() && !url.SchemeIsFile() && !url.SchemeIsFileSystem() &&
-         !url.has_query() && !url.has_ref() && url.path() == "/";
+         !url.has_query() && !url.has_ref() && url.path_piece() == "/";
 }
 
 void AppendFormattedHost(const GURL& url, base::string16* output) {
   AppendFormattedComponent(
       url.possibly_invalid_spec(), url.parsed_for_possibly_invalid_spec().host,
       HostComponentTransform(), output, NULL, NULL);
 }
 
 base::string16 IDNToUnicode(base::StringPiece host) {
   return IDNToUnicodeWithAdjustments(host, nullptr);
 }
 
 base::string16 StripWWW(const base::string16& text) {
   const base::string16 www(base::ASCIIToUTF16("www."));
   return base::StartsWith(text, www, base::CompareCase::SENSITIVE)
       ? text.substr(www.length()) : text;
 }
 
 base::string16 StripWWWFromHost(const GURL& url) {
   DCHECK(url.is_valid());
   return StripWWW(base::ASCIIToUTF16(url.host_piece()));
 }
 
 }  // namespace url_formatter