Remove deprecated things from net test suite:

chrome_frame/test/http_server.cc

Index: chrome_frame/test/http_server.cc
diff --git a/chrome_frame/test/http_server.cc b/chrome_frame/test/http_server.cc
index d8223f2857840b2e70c8c61be7cd7e36d6df2699..ae71c0b9114d75a27f5a5c2df4b54008d999fd7c 100644
--- a/chrome_frame/test/http_server.cc
+++ b/chrome_frame/test/http_server.cc
@@ -1,8 +1,11 @@
 // 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 "chrome_frame/test/http_server.h"
 
+#include "base/string_util.h"
+
 const wchar_t kDocRoot[] = L"chrome_frame\\test\\data";
 
 void ChromeFrameHTTPServer::SetUp() {
@@ -62,8 +65,9 @@ bool ChromeFrameHTTPServer::WaitToFinish(int milliseconds) {
   return server_->WaitToFinish(milliseconds);
 }
 
+// TODO(phajdan.jr): Change wchar_t* to std::string& and fix callers.
 GURL ChromeFrameHTTPServer::Resolve(const wchar_t* relative_url) {
-  return server_->TestServerPageW(relative_url);
+  return server_->TestServerPage(WideToUTF8(relative_url));
 }
 
 std::wstring ChromeFrameHTTPServer::GetDataDir() {