Move directory creation functions to base namespace.

base/files/file_util_proxy_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/files/file_util_proxy.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/file_util.h"
@@ skipping 229 matching lines @@
   EXPECT_EQ(expected_info.size, file_info_.size);
   EXPECT_EQ(expected_info.is_directory, file_info_.is_directory);
   EXPECT_EQ(expected_info.is_symbolic_link, file_info_.is_symbolic_link);
   EXPECT_EQ(expected_info.last_modified, file_info_.last_modified);
   EXPECT_EQ(expected_info.last_accessed, file_info_.last_accessed);
   EXPECT_EQ(expected_info.creation_time, file_info_.creation_time);
 }
 
 TEST_F(FileUtilProxyTest, GetFileInfo_Directory) {
   // Setup.
-  ASSERT_TRUE(file_util::CreateDirectory(test_path()));
+  ASSERT_TRUE(base::CreateDirectory(test_path()));
   PlatformFileInfo expected_info;
   file_util::GetFileInfo(test_path(), &expected_info);
 
   // Run.
   FileUtilProxy::GetFileInfo(
       file_task_runner(),
       test_path(),
       Bind(&FileUtilProxyTest::DidGetFileInfo, weak_factory_.GetWeakPtr()));
   MessageLoop::current()->Run();
 
@@ skipping 141 matching lines @@
   char buffer[53];
   EXPECT_EQ(53, file_util::ReadFile(test_path(), buffer, 53));
   int i = 0;
   for (; i < 10; ++i)
     EXPECT_EQ(kTestData[i], buffer[i]);
   for (; i < 53; ++i)
     EXPECT_EQ(0, buffer[i]);
 }
 
 }  // namespace base