Move PathExists to base namespace.

chrome/installer/launcher_support/chrome_launcher_support.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/installer/launcher_support/chrome_launcher_support.h"
 
 #include <windows.h>
 #include <tchar.h>
 
 #include "base/command_line.h"
@@ skipping 32 matching lines @@
 const char kChromeAppLauncher[] = "app-launcher";
 const wchar_t kChromeExe[] = L"chrome.exe";
 const wchar_t kUninstallArgumentsField[] = L"UninstallArguments";
 const wchar_t kUninstallStringField[] = L"UninstallString";
 
 #ifndef OFFICIAL_BUILD
 base::FilePath GetDevelopmentExe(const wchar_t* exe_file) {
   base::FilePath current_directory;
   if (PathService::Get(base::DIR_EXE, &current_directory)) {
     base::FilePath chrome_exe_path(current_directory.Append(exe_file));
-    if (file_util::PathExists(chrome_exe_path))
+    if (base::PathExists(chrome_exe_path))
       return chrome_exe_path;
   }
   return base::FilePath();
 }
 #endif
 
 // Reads a string value from the specified product's "ClientState" registry key.
 // Returns true iff the value is present and successfully read.
 bool GetClientStateValue(InstallationLevel level,
                          const wchar_t* app_guid,
@@ skipping 42 matching lines @@
 }
 
 // Reads the path to setup.exe from the value "UninstallString" within the
 // specified product's "ClientState" registry key. Returns an empty FilePath if
 // an error occurs or the product is not installed at the specified level.
 base::FilePath GetSetupExeFromRegistry(InstallationLevel level,
                                        const wchar_t* app_guid) {
   string16 uninstall;
   if (GetClientStateValue(level, app_guid, kUninstallStringField, &uninstall)) {
     base::FilePath setup_exe_path(uninstall);
-    if (file_util::PathExists(setup_exe_path))
+    if (base::PathExists(setup_exe_path))
       return setup_exe_path;
   }
   return base::FilePath();
 }
 
 // Returns the path to an installed |exe_file| (e.g. chrome.exe, app_host.exe)
 // at the specified level, given |setup_exe_path| from Omaha client state.
 // Returns empty base::FilePath if none found, or if |setup_exe_path| is empty.
 base::FilePath FindExeRelativeToSetupExe(const base::FilePath setup_exe_path,
                                          const wchar_t* exe_file) {
   if (!setup_exe_path.empty()) {
     // The uninstall path contains the path to setup.exe, which is two levels
     // down from |exe_file|. Move up two levels (plus one to drop the file
     // name) and look for chrome.exe from there.
     base::FilePath exe_path(
         setup_exe_path.DirName().DirName().DirName().Append(exe_file));
-    if (file_util::PathExists(exe_path))
+    if (base::PathExists(exe_path))
       return exe_path;
     // By way of mild future proofing, look up one to see if there's a
     // |exe_file| in the version directory
     exe_path = setup_exe_path.DirName().DirName().Append(exe_file);
-    if (file_util::PathExists(exe_path))
+    if (base::PathExists(exe_path))
       return exe_path;
   }
   return base::FilePath();
 }
 
 }  // namespace
 
 void UninstallLegacyAppLauncher(InstallationLevel level) {
   base::FilePath setup_exe(GetSetupExeFromRegistry(level, kAppHostAppId));
   if (setup_exe.empty())
@@ skipping 79 matching lines @@
 bool IsAppLauncherPresent() {
   return GetAppLauncherInstallationState() != NOT_INSTALLED;
 }
 
 bool IsChromeBrowserPresent() {
   return IsProductInstalled(USER_LEVEL_INSTALLATION, kBrowserAppGuid) ||
       IsProductInstalled(SYSTEM_LEVEL_INSTALLATION, kBrowserAppGuid);
 }
 
 }  // namespace chrome_launcher_support