Make the net resource interface use StringPiece instead of std::string. This...

net/url_request/url_request_unittest.cc

 // Copyright (c) 2006-2008 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 "net/url_request/url_request_unittest.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shlobj.h>
 #endif
 
 #include <algorithm>
 #include <string>
 
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/platform_test.h"
 #include "base/process_util.h"
+#include "base/string_piece.h"
 #include "base/string_util.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_module.h"
 #include "net/base/net_util.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_network_layer.h"
 #include "net/url_request/url_request.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 16 matching lines @@
 };
 
 class TestURLRequest : public URLRequest {
  public:
    TestURLRequest(const GURL& url, Delegate* delegate)
        : URLRequest(url, delegate) {
      set_context(new URLRequestHttpCacheContext());
    }
 };
 
-std::string TestNetResourceProvider(int key) {
+StringPiece TestNetResourceProvider(int key) {
   return "header";
 }
 
 // Do a case-insensitive search through |haystack| for |needle|.
 bool ContainsString(const std::string& haystack, const char* needle) {
   std::string::const_iterator it =
       std::search(haystack.begin(),
                   haystack.end(),
                   needle,
                   needle + strlen(needle),
@@ skipping 747 matching lines @@
   EXPECT_FALSE(ContainsString(data, "Content-Length:"));
   EXPECT_FALSE(ContainsString(data, "Content-Type:"));
   EXPECT_FALSE(ContainsString(data, "Origin:"));
 
   // These extra request headers should not have been stripped.
   EXPECT_TRUE(ContainsString(data, "Accept:"));
   EXPECT_TRUE(ContainsString(data, "Accept-Language:"));
   EXPECT_TRUE(ContainsString(data, "Accept-Charset:"));
 }