Move directory creation functions to base namespace.

chrome/browser/extensions/extension_creator_filter_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 "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_creator_filter.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
@@ skipping 17 matching lines @@
     EXPECT_TRUE(base::CreateTemporaryFileInDir(test_dir_, &temp_file));
     EXPECT_TRUE(base::Move(temp_file, test_file));
     return test_file;
   }
 
   base::FilePath CreateEmptyTestFileInDir(
       const base::FilePath::StringType& file_name,
       const base::FilePath::StringType& dir) {
     base::FilePath temp_sub_dir(test_dir_.Append(dir));
     base::FilePath test_file(temp_sub_dir.Append(file_name));
-    EXPECT_TRUE(file_util::CreateDirectory(temp_sub_dir));
+    EXPECT_TRUE(base::CreateDirectory(temp_sub_dir));
     base::FilePath temp_file;
     EXPECT_TRUE(base::CreateTemporaryFileInDir(temp_sub_dir, &temp_file));
     EXPECT_TRUE(base::Move(temp_file, test_file));
     return test_file;
   }
 
   scoped_refptr<extensions::ExtensionCreatorFilter> filter_;
 
   base::ScopedTempDir temp_dir_;
 
@@ skipping 84 matching lines @@
       SetFileAttributes(test_file.value().c_str(), FILE_ATTRIBUTE_HIDDEN);
     }
     bool observed = filter_->ShouldPackageFile(test_file);
     EXPECT_EQ(cases[i].expected, observed) <<
       "i: " << i << ", input: " << test_file.value();
   }
 }
 #endif
 
 }  // namespace