Deprecate more old filepath functions.

webkit/tools/test_shell/test_shell_win.cc

 // Copyright (c) 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 "webkit/tools/test_shell/test_shell.h"
 
 #include <windows.h>
 #include <commdlg.h>
 #include <objbase.h>
 #include <process.h>
@@ skipping 682 matching lines @@
     if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) {
       EndDialog(hDlg, LOWORD(wParam));
       return (INT_PTR)TRUE;
     }
     break;
   }
   return (INT_PTR)FALSE;
 }
 
 bool TestShell::PromptForSaveFile(const wchar_t* prompt_title,
-                                  std::wstring* result) {
+                                  FilePath* result) {
   wchar_t path_buf[MAX_PATH] = L"data.txt";
 
   OPENFILENAME info = {0};
   info.lStructSize = sizeof(info);
   info.hwndOwner = m_mainWnd;
   info.hInstance = instance_handle_;
   info.lpstrFilter = L"*.txt";
   info.lpstrFile = path_buf;
   info.nMaxFile = arraysize(path_buf);
   info.lpstrTitle = prompt_title;
   if (!GetSaveFileName(&info))
     return false;
 
-  result->assign(info.lpstrFile);
+  *result = FilePath(info.lpstrFile);
   return true;
 }
 
 // static
 void TestShell::ShowStartupDebuggingDialog() {
   MessageBox(NULL, L"attach to me?", L"test_shell", MB_OK);
 }
 
 // static
 base::StringPiece TestShell::NetResourceProvider(int key) {
@@ skipping 81 matching lines @@
 
 bool EnsureFontLoaded(HFONT font) {
   return true;
 }
 
 bool DownloadUrl(const std::string& url, HWND caller_window) {
   return false;
 }
 
 }  // namespace webkit_glue