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

content/browser/loader/async_revalidation_manager_unittest.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 "content/browser/loader/async_revalidation_manager.h"
 
 #include <deque>
 #include <string>
 #include <utility>
 
@@ skipping 113 matching lines @@
   // breaks and end in "\n\n".
   void SetResponse(const std::string& headers, const std::string& data) {
     response_headers_ = headers;
     response_data_ = data;
   }
 
   net::URLRequestJob* MaybeCreateJobWithProtocolHandler(
       const std::string& scheme,
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) const override {
-    std::string path = request->url().path();
+    base::StringPiece path = request->url().path();
     if (base::StartsWith(path, "/async-revalidate",
                          base::CompareCase::SENSITIVE)) {
       return new AsyncRevalidationRequiredURLRequestTestJob(request,
                                                             network_delegate);
     }
     if (base::StartsWith(path, "/redirect", base::CompareCase::SENSITIVE)) {
       return new RedirectAndRevalidateURLRequestTestJob(request,
                                                         network_delegate);
     }
     return new URLRequestTestDelayedCompletionJob(
@@ skipping 404 matching lines @@
   // already completed.
   EXPECT_TRUE(NextRequestWasDestroyed());
 
   // But no others.
   EXPECT_TRUE(IsEmpty());
 }
 
 }  // namespace
 
 }  // namespace content