[WIP] make GURL::path() return a StringPiece

components/omnibox/browser/builtin_provider.cc

 // Copyright (c) 2012 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/omnibox/browser/builtin_provider.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 73 matching lines @@
         styles.push_back(ACMatchClassification(0, kMatch));
         base::string16 match = base::ASCIIToUTF16(url::kAboutBlankURL);
         // Measure the length of the matching host after the "about:" scheme.
         const size_t corrected_length = kAboutSchemeLength + 1 + host.length();
         if (blank_host.length() > host.length())
           styles.push_back(ACMatchClassification(corrected_length, kUrl));
         AddMatch(match, match.substr(corrected_length), styles);
       }
 
       // Include the path for sub-pages (e.g. "chrome://settings/browser").
-      base::string16 host_and_path = base::UTF8ToUTF16(url.host() + url.path());
+      base::string16 host_and_path =
+          base::UTF8ToUTF16(url.host() + url.path().as_string());
       base::TrimString(host_and_path, base::ASCIIToUTF16("/"), &host_and_path);
       size_t match_length = embedderAbout.length() + host_and_path.length();
       for (Builtins::const_iterator i(builtins_.begin());
           (i != builtins_.end()) && (matches_.size() < kMaxMatches); ++i) {
         if (base::StartsWith(*i, host_and_path,
                              base::CompareCase::INSENSITIVE_ASCII)) {
           ACMatchClassifications styles;
           // Highlight |embedderAbout|, even for input "about:foo".
           styles.push_back(ACMatchClassification(0, kMatch));
           base::string16 match_string = embedderAbout + *i;
@@ skipping 34 matching lines @@
                                const ACMatchClassifications& styles) {
   AutocompleteMatch match(this, kRelevance, false,
                           AutocompleteMatchType::NAVSUGGEST);
   match.fill_into_edit = match_string;
   match.inline_autocompletion = inline_completion;
   match.destination_url = GURL(match_string);
   match.contents = match_string;
   match.contents_class = styles;
   matches_.push_back(match);
 }