Move temp file functions to base namespace.

chrome/installer/util/shell_util_unittest.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 "chrome/installer/util/shell_util.h"
 
 #include <vector>
 
 #include "base/base_paths.h"
 #include "base/base_paths_win.h"
@@ skipping 55 matching lines @@
         new base::ScopedPathOverride(base::DIR_DEFAULT_USER_QUICK_LAUNCH,
                                      fake_default_user_quick_launch_.path()));
     start_menu_override_.reset(
         new base::ScopedPathOverride(base::DIR_START_MENU,
                                      fake_start_menu_.path()));
     common_start_menu_override_.reset(
         new base::ScopedPathOverride(base::DIR_COMMON_START_MENU,
                                      fake_common_start_menu_.path()));
 
     base::FilePath icon_path;
-    file_util::CreateTemporaryFileInDir(temp_dir_.path(), &icon_path);
+    base::CreateTemporaryFileInDir(temp_dir_.path(), &icon_path);
     test_properties_.set_target(chrome_exe_);
     test_properties_.set_arguments(L"--test --chrome");
     test_properties_.set_description(L"Makes polar bears dance.");
     test_properties_.set_icon(icon_path, 0);
     test_properties_.set_app_id(L"Polar.Bear");
     test_properties_.set_dual_mode(true);
   }
 
   // Validates that the shortcut at |location| matches |properties| (and
   // implicit default properties) for |dist|.
@@ skipping 575 matching lines @@
 
   const string16 expected[] = { L"", L"MY", L"MZXQ", L"MZXW6", L"MZXW6YQ",
                                 L"MZXW6YTB", L"MZXW6YTBOI"};
 
   // Run the tests, with one more letter in the input every pass.
   for (int i = 0; i < arraysize(expected); ++i) {
     ASSERT_EQ(expected[i],
               ShellUtil::ByteArrayToBase32(test_array, i));
   }
 }