Move directory creation functions to base namespace.

chrome/browser/sessions/session_service_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/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 29 matching lines @@
  public:
   SessionServiceTest() : window_bounds(0, 1, 2, 3), sync_save_count_(0) {}
 
  protected:
   virtual void SetUp() {
     BrowserWithTestWindowTest::SetUp();
     std::string b = base::Int64ToString(base::Time::Now().ToInternalValue());
 
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     path_ = temp_dir_.path().Append(FILE_PATH_LITERAL("SessionTestDirs"));
-    ASSERT_TRUE(file_util::CreateDirectory(path_));
+    ASSERT_TRUE(base::CreateDirectory(path_));
     path_ = path_.AppendASCII(b);
 
     SessionService* session_service = new SessionService(path_);
     helper_.SetService(session_service);
 
     service()->SetWindowType(
         window_id, Browser::TYPE_TABBED, SessionService::TYPE_NORMAL);
     service()->SetWindowBounds(window_id,
                                window_bounds,
                                ui::SHOW_STATE_NORMAL);
@@ skipping 948 matching lines @@
 
   ASSERT_EQ(1U, windows.size());
   ASSERT_EQ(0, windows[0]->selected_tab_index);
   ASSERT_EQ(window_id.id(), windows[0]->window_id.id());
   ASSERT_EQ(1U, windows[0]->tabs.size());
 
   SessionTab* tab = windows[0]->tabs[0];
   helper_.AssertTabEquals(window_id, tab_id, 0, 0, 1, *tab);
   helper_.AssertNavigationEquals(nav1, tab->navigations[0]);
 }