Added CreateTemporaryFileName that takes a FilePath argument.

base/file_util_win.cc

 // Copyright (c) 2006-2008 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 <shellapi.h>
 #include <shlobj.h>
 #include <time.h>
@@ skipping 375 matching lines @@
     return false;
   // TODO(evanm): the old behavior of this function was to always strip the
   // trailing slash.  We duplicate this here, but it shouldn't be necessary
   // when everyone is using the appropriate FilePath APIs.
   std::wstring path_str(temp_path);
   TrimTrailingSeparator(&path_str);
   *path = FilePath(path_str);
   return true;
 }
 
-bool CreateTemporaryFileName(std::wstring* temp_file) {
-  std::wstring temp_path;
+bool CreateTemporaryFileName(FilePath* path) {
+  std::wstring temp_path, temp_file;
 
   if (!GetTempDir(&temp_path))
     return false;
 
-  return CreateTemporaryFileNameInDir(temp_path, temp_file);
+  if (CreateTemporaryFileNameInDir(temp_path, &temp_file)) {
+    *path = FilePath(temp_file);
+    return true;
+  }
+
+  return false; 
 }
 
 bool CreateTemporaryFileNameInDir(const std::wstring& dir,
                                   std::wstring* temp_file) {
   wchar_t temp_name[MAX_PATH + 1];
 
   if (!GetTempFileName(dir.c_str(), L"", 0, temp_name))
     return false;  // fail!
 
   DWORD path_len = GetLongPathName(temp_name, temp_name, MAX_PATH);
@@ skipping 268 matching lines @@
       // it to pending_paths_ so we scan it after we finish scanning this
       // directory.
       pending_paths_.push(cur_file);
     }
     return (file_type_ & FileEnumerator::DIRECTORIES) ? cur_file : Next();
   }
   return (file_type_ & FileEnumerator::FILES) ? cur_file : Next();
 }
 
 }  // namespace file_util