Move PathExists to base namespace.

chrome/browser/ui/metro_pin_tab_helper_win.cc

 // Copyright (c) 2012 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/browser/ui/metro_pin_tab_helper_win.h"
 
 #include <set>
 
 #include "base/base_paths.h"
 #include "base/bind.h"
@@ skipping 106 matching lines @@
 // |logo_dir|, it will be used, otherwise it will be copied out of the install
 // folder. (The version in the install folder is not used as it may disappear
 // after an upgrade, causing tiles to lose their images if Windows rebuilds
 // its tile image cache.)
 // The path to the logo is returned in |logo_path|, with the return value
 // indicating success.
 bool GetPathToBackupLogo(const base::FilePath& logo_dir,
                          base::FilePath* logo_path) {
   const wchar_t kDefaultLogoFileName[] = L"SecondaryTile.png";
   *logo_path = logo_dir.Append(kDefaultLogoFileName);
-  if (file_util::PathExists(*logo_path))
+  if (base::PathExists(*logo_path))
     return true;
 
   base::FilePath default_logo_path;
   if (!PathService::Get(base::DIR_MODULE, &default_logo_path))
     return false;
 
   default_logo_path = default_logo_path.Append(kDefaultLogoFileName);
   return base::CopyFile(default_logo_path, *logo_path);
 }
 
@@ skipping 316 matching lines @@
 
   GURL url = web_contents()->GetURL();
   string16 tile_id = GenerateTileId(UTF8ToUTF16(url.spec()));
   metro_un_pin_from_start_screen(tile_id,
                                  base::Bind(&PinPageReportUmaCallback));
 }
 
 void MetroPinTabHelper::FaviconDownloaderFinished() {
   favicon_chooser_.reset();
 }