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

storage/browser/fileapi/file_system_url_request_job.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 "storage/browser/fileapi/file_system_url_request_job.h"
 
 #include <stddef.h>
 
 #include <vector>
 
@@ skipping 226 matching lines @@
   }
 
   ReadRawDataComplete(result);
 }
 
 bool FileSystemURLRequestJob::IsRedirectResponse(GURL* location,
                                                  int* http_status_code) {
   if (is_directory_) {
     // This happens when we discovered the file is a directory, so needs a
     // slash at the end of the path.
-    std::string new_path = request_->url().path();
+    std::string new_path = request_->url().path().as_string();
     new_path.push_back('/');
     GURL::Replacements replacements;
     replacements.SetPathStr(new_path);
     *location = request_->url().ReplaceComponents(replacements);
     *http_status_code = 301;  // simulate a permanent redirect
     return true;
   }
 
   return false;
 }
 
 }  // namespace storage