Move PathIsWritable, DirectoryExists, ContentsEqual, and TextContentsEqual to the base namespace.

chrome/browser/profiles/profile_info_cache.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/profiles/profile_info_cache.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/format_macros.h"
 #include "base/i18n/case_conversion.h"
@@ skipping 104 matching lines @@
 // |success| is set to true on success and false on failure.
 void SaveBitmap(ImageData* data,
                 const base::FilePath& image_path,
                 bool* success) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   scoped_ptr<ImageData> data_owner(data);
   *success = false;
 
   // Make sure the destination directory exists.
   base::FilePath dir = image_path.DirName();
-  if (!file_util::DirectoryExists(dir) && !file_util::CreateDirectory(dir)) {
+  if (!base::DirectoryExists(dir) && !file_util::CreateDirectory(dir)) {
     LOG(ERROR) << "Failed to create parent directory.";
     return;
   }
 
   if (file_util::WriteFile(image_path,
                            reinterpret_cast<char*>(&(*data)[0]),
                            data->size()) == -1) {
     LOG(ERROR) << "Failed to save image to file.";
     return;
   }
@@ skipping 700 matching lines @@
     info->GetString(kNameKey, &name);
     names.push_back(name);
   }
   return names;
 }
 
 // static
 void ProfileInfoCache::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterDictionaryPref(prefs::kProfileInfoCache);
 }