BSD port: USE_NSS and other macros instead of OS_LINUX where applicable

net/url_request/url_request_unittest.cc

 // Copyright (c) 2006-2009 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"
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shlobj.h>
-#elif defined(OS_LINUX)
+#elif defined(USE_NSS)
 #include "base/nss_util.h"
 #endif
 
 #include <algorithm>
 #include <string>
 
 #include "base/file_util.h"
 #include "base/format_macros.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
@@ skipping 2141 matching lines @@
   ASSERT_TRUE(NULL != server_.get());
   TestDelegate d;
   TestURLRequest
       req(server_->TestServerPage("echoheaderoverride?Accept-Charset"), &d);
   req.set_context(new URLRequestTestContext());
   req.SetExtraRequestHeaders("Accept-Charset: koi-8r");
   req.Start();
   MessageLoop::current()->Run();
   EXPECT_EQ(std::string("koi-8r"), d.data_received());
 }