Move PathExists to base namespace.

chrome/browser/spellchecker/spellcheck_custom_dictionary.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/spellchecker/spellcheck_custom_dictionary.h"
 
 #include <functional>
 
 #include "base/file_util.h"
 #include "base/files/important_file_writer.h"
@@ skipping 78 matching lines @@
 // is invalid too, then clears |custom_words|. Must be called on the file
 // thread.
 void LoadDictionaryFileReliably(WordList& custom_words,
                                 const base::FilePath& path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   // Load the contents and verify the checksum.
   if (LoadFile(path, custom_words) == VALID_CHECKSUM)
     return;
   // Checksum is not valid. See if there's a backup.
   base::FilePath backup = path.AddExtension(BACKUP_EXTENSION);
-  if (!file_util::PathExists(backup))
+  if (!base::PathExists(backup))
     return;
   // Load the backup and verify its checksum.
   if (LoadFile(backup, custom_words) != VALID_CHECKSUM)
     return;
   // Backup checksum is valid. Restore the backup.
   base::CopyFile(backup, path);
 }
 
 // Backs up the original dictionary, saves |custom_words| and its checksum into
 // the custom spellcheck dictionary at |path|.
@@ skipping 432 matching lines @@
 
 void SpellcheckCustomDictionary::Notify(
     const SpellcheckCustomDictionary::Change& dictionary_change) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!IsLoaded() || dictionary_change.empty())
     return;
   FOR_EACH_OBSERVER(Observer,
                     observers_,
                     OnCustomDictionaryChanged(dictionary_change));
 }