Move ComputeDirectorySize 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>
 
 #include <fstream>
 
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 
-using base::FileEnumerator;
-using base::FilePath;
+namespace base {
 
 namespace {
 
 const FilePath::CharType kExtensionSeparator = FILE_PATH_LITERAL('.');
 
 // The maximum number of 'uniquified' files we will try to create.
 // This is used when the filename we're trying to download is already in use,
 // so we create a new unique filename by appending " (nnn)" before the
 // extension, where 1 <= nnn <= kMaxUniqueFiles.
 // Also used by code that cleans up said files.
 static const int kMaxUniqueFiles = 100;
 
 }  // namespace
 
+bool g_bug108724_debug = false;
+
+int64 ComputeDirectorySize(const FilePath& root_path) {
+  int64 running_size = 0;
+  FileEnumerator file_iter(root_path, true, FileEnumerator::FILES);
+  while (!file_iter.Next().empty())
+    running_size += file_iter.GetInfo().GetSize();
+  return running_size;
+}
+
+}  // namespace base
+
+// -----------------------------------------------------------------------------
+
 namespace file_util {
 
-bool g_bug108724_debug = false;
+using base::FileEnumerator;
+using base::FilePath;
+using base::kExtensionSeparator;
+using base::kMaxUniqueFiles;
 
 void InsertBeforeExtension(FilePath* path, const FilePath::StringType& suffix) {
   FilePath::StringType& value =
       const_cast<FilePath::StringType&>(path->value());
 
   const FilePath::StringType::size_type last_dot =
       value.rfind(kExtensionSeparator);
   const FilePath::StringType::size_type last_separator =
       value.find_last_of(FilePath::StringType(FilePath::kSeparators));
 
@@ skipping 212 matching lines @@
         path.InsertBeforeExtensionASCII(base::StringPrintf(" (%d)", count));
     if (!PathExists(new_path) &&
         (!have_suffix || !PathExists(FilePath(new_path.value() + suffix)))) {
       return count;
     }
   }
 
   return -1;
 }
 
-int64 ComputeDirectorySize(const FilePath& root_path) {
-  int64 running_size = 0;
-  FileEnumerator file_iter(root_path, true, FileEnumerator::FILES);
-  while (!file_iter.Next().empty())
-    running_size += file_iter.GetInfo().GetSize();
-  return running_size;
-}
-
-}  // namespace
+}  // namespace file_util