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

chrome/browser/web_applications/web_app_mac.mm

 // 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.
 
 #import "chrome/browser/web_applications/web_app_mac.h"
 
 #import <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 
 #include "base/command_line.h"
@@ skipping 112 matching lines @@
   ScopedCarbonHandle raw_data(bitmap.getSize());
   ConvertSkiaToARGB(bitmap, &raw_data);
   OSErr result = SetIconFamilyData(icon_family, icon_type, raw_data.Get());
   DCHECK_EQ(noErr, result);
   return result == noErr;
 }
 
 base::FilePath GetWritableApplicationsDirectory() {
   base::FilePath path;
   if (base::mac::GetLocalDirectory(NSApplicationDirectory, &path) &&
-      file_util::PathIsWritable(path)) {
+      base::PathIsWritable(path)) {
     return path;
   }
   if (base::mac::GetUserDirectory(NSApplicationDirectory, &path))
     return path;
   return base::FilePath();
 }
 
 // Given the path to an app bundle, return the resources directory.
 base::FilePath GetResourcesPath(const base::FilePath& app_path) {
   return app_path.Append("Contents").Append("Resources");
@@ skipping 233 matching lines @@
 
     base::mac::RemoveQuarantineAttribute(dst_path.Append(app_name));
     ++succeeded;
   }
 
   return succeeded;
 }
 
 bool WebAppShortcutCreator::CreateShortcuts() {
   base::FilePath dst_path = GetDestinationPath();
-  if (dst_path.empty() || !file_util::DirectoryExists(dst_path.DirName())) {
+  if (dst_path.empty() || !base::DirectoryExists(dst_path.DirName())) {
     LOG(ERROR) << "Couldn't find an Applications directory to copy app to.";
     return false;
   }
 
   if (!file_util::CreateDirectory(app_data_path_)) {
     LOG(ERROR) << "Creating app_data_path " << app_data_path_.value()
                << " failed.";
     return false;
   }
 
@@ skipping 305 matching lines @@
         BuildShortcutInfoFromBundle(*it);
     WebAppShortcutCreator shortcut_creator(
         it->DirName(), shortcut_info, base::mac::BaseBundleID());
     shortcut_creator.DeleteShortcuts();
   }
 }
 
 }  // namespace internals
 
 }  // namespace web_app