Move directory creation functions to base namespace.

components/visitedlink/test/visitedlink_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 <cstdio>
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/memory/shared_memory.h"
@@ skipping 192 matching lines @@
     master_->DebugValidate();
 
     g_slaves.clear();
   }
 
   // testing::Test
   virtual void SetUp() {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     history_dir_ = temp_dir_.path().AppendASCII("VisitedLinkTest");
-    ASSERT_TRUE(file_util::CreateDirectory(history_dir_));
+    ASSERT_TRUE(base::CreateDirectory(history_dir_));
 
     visited_file_ = history_dir_.Append(FILE_PATH_LITERAL("VisitedLinks"));
   }
 
   virtual void TearDown() {
     ClearDB();
   }
 
   base::ScopedTempDir temp_dir_;
 
@@ skipping 541 matching lines @@
       content::NOTIFICATION_RENDERER_PROCESS_CREATED,
       content::Source<content::RenderProcessHost>(&different_process_host),
       content::NotificationService::NoDetails());
   WaitForCoalescense();
 
   EXPECT_EQ(0, different_context.new_table_count());
 
 }
 
 }  // namespace visitedlink