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

chrome/renderer/chrome_content_renderer_client.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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 1456 matching lines @@
   if (corrected_url.query().find("enablejsapi=1") != std::string::npos) {
 #if defined(OS_ANDROID)
     result = internal::SUCCESS_ENABLEJSAPI;
 #else
     RecordYouTubeRewriteUMA(internal::FAILURE_ENABLEJSAPI);
     return GURL();
 #endif
   }
 
   // Change the path to use the YouTube HTML5 API
-  std::string path = corrected_url.path();
+  std::string path = corrected_url.path().as_string();
   path.replace(path.find("/v/"), 3, "/embed/");
 
   url::Replacements<char> r;
   r.SetPath(path.c_str(), url::Component(0, path.length()));
 
   if (result == internal::NUM_PLUGIN_ERROR)
     result = invalid_url ? internal::SUCCESS_PARAMS_REWRITE : internal::SUCCESS;
 
   RecordYouTubeRewriteUMA(result);
   return corrected_url.ReplaceComponents(r);
 }