Move PathExists to base namespace.

chrome/installer/util/installer_state.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/util/installer_state.h"
 
 #include <algorithm>
 #include <functional>
 #include <utility>
 
@@ skipping 534 matching lines @@
   }
   const ProductState* product_state =
       machine_state.GetProductState(level_ == SYSTEM_LEVEL, prod_type);
 
   if (product_state != NULL) {
     const Version* version = NULL;
 
     // Be aware that there might be a pending "new_chrome.exe" already in the
     // installation path.  If so, we use old_version, which holds the version of
     // "chrome.exe" itself.
-    if (file_util::PathExists(target_path().Append(kChromeNewExe)))
+    if (base::PathExists(target_path().Append(kChromeNewExe)))
       version = product_state->old_version();
 
     if (version == NULL)
       version = &product_state->version();
 
     current_version.reset(new Version(*version));
   }
 
   return current_version.release();
 }
@@ skipping 17 matching lines @@
   // We check only for the current version (e.g. the version we are upgrading
   // _from_). We don't need to check interstitial versions if any (as would
   // occur in the case of multiple updates) since if they are in use, we are
   // guaranteed that the current version is in use too.
   bool in_use = false;
   scoped_ptr<Version> current_version(GetCurrentVersion(machine_state));
   if (current_version != NULL) {
     base::FilePath cf_install_path(
         target_path().AppendASCII(current_version->GetString())
                      .Append(kChromeFrameDll));
-    in_use = file_util::PathExists(cf_install_path) &&
+    in_use = base::PathExists(cf_install_path) &&
         IsFileInUse(cf_install_path);
   }
   return in_use;
 }
 
 base::FilePath InstallerState::GetInstallerDirectory(
     const Version& version) const {
   return target_path().Append(ASCIIToWide(version.GetString()))
       .Append(kInstallerDir);
 }
@@ skipping 187 matching lines @@
   }
   if (!install_list->Do())
     LOG(ERROR) << "Failed to record installer error information in registry.";
 }
 
 bool InstallerState::RequiresActiveSetup() const {
   return system_install() && FindProduct(BrowserDistribution::CHROME_BROWSER);
 }
 
 }  // namespace installer