Move some more file utils to the base namespace.

base/file_util.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 "base/file_util.h"
 
 #if defined(OS_WIN)
 #include <io.h>
 #endif
 #include <stdio.h>
@@ skipping 127 matching lines @@
   size_t len;
   while ((len = fread(buf, 1, sizeof(buf), file)) > 0) {
     if (contents)
       contents->append(buf, len);
   }
   file_util::CloseFile(file);
 
   return true;
 }
 
+bool IsDirectoryEmpty(const FilePath& dir_path) {
+  FileEnumerator files(dir_path, false,
+      FileEnumerator::FILES | FileEnumerator::DIRECTORIES);
+  if (files.Next().empty())
+    return true;
+  return false;
+}
+
 }  // namespace base
 
 // -----------------------------------------------------------------------------
 
 namespace file_util {
 
 using base::FileEnumerator;
 using base::FilePath;
 using base::kMaxUniqueFiles;
 
-bool IsDirectoryEmpty(const FilePath& dir_path) {
-  FileEnumerator files(dir_path, false,
-      FileEnumerator::FILES | FileEnumerator::DIRECTORIES);
-  if (files.Next().empty())
-    return true;
-  return false;
-}
-
 FILE* CreateAndOpenTemporaryFile(FilePath* path) {
   FilePath directory;
   if (!GetTempDir(&directory))
     return NULL;
 
   return CreateAndOpenTemporaryFileInDir(directory, path);
 }
 
 bool CreateDirectory(const base::FilePath& full_path) {
   return CreateDirectoryAndGetError(full_path, NULL);
@@ skipping 74 matching lines @@
     if (!PathExists(new_path) &&
         (!have_suffix || !PathExists(FilePath(new_path.value() + suffix)))) {
       return count;
     }
   }
 
   return -1;
 }
 
 }  // namespace file_util