Move path functions from file_util to FilePath object.

base/file_util_win.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"
 
 #include <windows.h>
 #include <psapi.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 10 matching lines @@
 #include "base/string_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/windows_version.h"
 
 using base::FilePath;
 
+namespace base {
+
+FilePath MakeAbsoluteFilePath(const FilePath& input) {
+  base::ThreadRestrictions::AssertIOAllowed();
+  wchar_t file_path[MAX_PATH];
+  if (!_wfullpath(file_path, input.value().c_str(), MAX_PATH))
+    return FilePath();
+  return FilePath(file_path);
+}
+
+}  // namespace base
+
 namespace file_util {
 
 namespace {
 
 const DWORD kFileShareAll =
     FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 
 }  // namespace
 
-bool AbsolutePath(FilePath* path) {
-  base::ThreadRestrictions::AssertIOAllowed();
-  wchar_t file_path_buf[MAX_PATH];
-  if (!_wfullpath(file_path_buf, path->value().c_str(), MAX_PATH))
-    return false;
-  *path = FilePath(file_path_buf);
-  return true;
-}
-
 int CountFilesCreatedAfter(const FilePath& path,
                            const base::Time& comparison_time) {
   base::ThreadRestrictions::AssertIOAllowed();
 
   int file_count = 0;
   FILETIME comparison_filetime(comparison_time.ToFileTime());
 
   WIN32_FIND_DATA find_file_data;
   // All files in given dir
   std::wstring filename_spec = path.Append(L"*").value();
@@ skipping 834 matching lines @@
 
   // Length of |path| with path separator appended.
   size_t prefix = path.StripTrailingSeparators().value().size() + 1;
   // The whole path string must be shorter than MAX_PATH. That is, it must be
   // prefix + component_length < MAX_PATH (or equivalently, <= MAX_PATH - 1).
   int whole_path_limit = std::max(0, MAX_PATH - 1 - static_cast<int>(prefix));
   return std::min(whole_path_limit, static_cast<int>(max_length));
 }
 
 }  // namespace file_util