Move more file_util functions to 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 149 matching lines @@
 
   return CreateAndOpenTemporaryFileInDir(directory, path);
 }
 
 bool CreateDirectory(const FilePath& full_path) {
   return CreateDirectoryAndGetError(full_path, NULL);
 }
 
 bool GetFileSize(const FilePath& file_path, int64* file_size) {
   PlatformFileInfo info;
-  if (!file_util::GetFileInfo(file_path, &info))
+  if (!GetFileInfo(file_path, &info))
     return false;
   *file_size = info.size;
   return true;
 }
 
 }  // namespace base
 
 // -----------------------------------------------------------------------------
 
 namespace file_util {
@@ skipping 69 matching lines @@
     if (!PathExists(new_path) &&
         (!have_suffix || !PathExists(FilePath(new_path.value() + suffix)))) {
       return count;
     }
   }
 
   return -1;
 }
 
 }  // namespace file_util