mac: Prepare for -Wunused-functions.

chrome/browser/extensions/api/developer_private/developer_private_api.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/extensions/api/developer_private/developer_private_api.h"
 
 #include "apps/app_load_service.h"
 #include "apps/app_restore_service.h"
 #include "apps/saved_files_service.h"
 #include "apps/shell_window.h"
@@ skipping 107 matching lines @@
 // extensions::ImageLoader. Also a resize should be performed to avoid
 // potential huge URLs: crbug/297298.
 GURL ToDataURL(const base::FilePath& path, developer_private::ItemType type) {
   std::string contents;
   if (path.empty() || !base::ReadFileToString(path, &contents))
     return GetDefaultImageURL(type);
 
   return GetImageURLFromData(contents);
 }
 
-std::vector<base::FilePath> ListFolder(const base::FilePath path) {
-  base::FileEnumerator files(path, false,
-      base::FileEnumerator::DIRECTORIES | base::FileEnumerator::FILES);
-  std::vector<base::FilePath> paths;
-
-  for (base::FilePath current_path = files.Next(); !current_path.empty();
-       current_path = files.Next()) {
-    paths.push_back(current_path);
-  }
-  return paths;
-}
-
 bool ValidateFolderName(const base::FilePath::StringType& name) {
   base::FilePath::StringType name_sanitized(name);
   file_util::ReplaceIllegalCharactersInPath(&name_sanitized, '_');
   return name == name_sanitized;
 }
 
 const Extension* GetExtensionByPath(const ExtensionSet* extensions,
                                     const base::FilePath& path) {
   base::FilePath extension_path = base::MakeAbsoluteFilePath(path);
   for (ExtensionSet::const_iterator iter = extensions->begin();
@@ skipping 1203 matching lines @@
   return true;
 }
 
 DeveloperPrivateIsProfileManagedFunction::
     ~DeveloperPrivateIsProfileManagedFunction() {
 }
 
 } // namespace api
 
 } // namespace extensions