Move PathExists to base namespace.

win8/test/metro_registration_helper.cc

 // Copyright (c) 2013 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 "win8/test/metro_registration_helper.h"
 
 #include <shlobj.h>
 
 #include <vector>
 
@@ skipping 25 matching lines @@
 // presence of test_registrar.exe, a viewer process, and all needed DLLs in the
 // same directory as the calling module.
 bool RegisterTestDefaultBrowser() {
   base::FilePath dir;
   if (!PathService::Get(base::DIR_EXE, &dir))
     return false;
 
   base::FilePath chrome_exe(dir.Append(kChromeExe));
   base::FilePath registrar(dir.Append(kRegistrar));
 
-  if (!file_util::PathExists(chrome_exe) || !file_util::PathExists(registrar)) {
+  if (!base::PathExists(chrome_exe) || !base::PathExists(registrar)) {
     LOG(ERROR) << "Could not locate " << kChromeExe << " or " << kRegistrar;
     return false;
   }
 
   // Perform the registration by invoking test_registrar.exe.
   CommandLine register_command(registrar);
   register_command.AppendArg("/RegServer");
 
   base::win::ScopedHandle register_handle;
   if (base::LaunchProcess(register_command, base::LaunchOptions(),
@@ skipping 65 matching lines @@
   std::vector<base::string16> choices;
   OpenWithDialogController controller;
   HRESULT hr = controller.RunSynchronously(
       NULL, kDefaultBrowserProtocol, win8::test::kDefaultTestExeName, &choices);
   LOG_IF(ERROR, FAILED(hr)) << std::hex << hr;
   DCHECK(IsTestDefaultForProtocol(kDefaultBrowserProtocol));
   return SUCCEEDED(hr);
 }
 
 }  // namespace win8