Move directory creation functions to base namespace.

BUG=

Review URL: https://codereview.chromium.org/100573002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238446 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 426d1c945bcb1a8479d92a7dd023c34cbbc7a261
diff --git a/ipc/ipc_channel_posix_unittest.cc b/ipc/ipc_channel_posix_unittest.cc
index eca78f1..dbd854e 100644
--- a/ipc/ipc_channel_posix_unittest.cc
+++ b/ipc/ipc_channel_posix_unittest.cc
@@ -159,7 +159,7 @@
     // Make sure the path we need exists.
     base::FilePath path(name);
     base::FilePath dir_path = path.DirName();
-    ASSERT_TRUE(file_util::CreateDirectory(dir_path));
+    ASSERT_TRUE(base::CreateDirectory(dir_path));
     ASSERT_GE(bind(socket_fd,
                    reinterpret_cast<struct sockaddr *>(&server_address),
                    server_address_len), 0) << server_address.sun_path