Move file_util::Delete to the base namespace

cloud_print/virtual_driver/win/port_monitor/port_monitor_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 "cloud_print/virtual_driver/win/port_monitor/port_monitor.h"
 #include <winspool.h>
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/string16.h"
 #include "base/win/registry.h"
@@ skipping 56 matching lines @@
     base::FilePath main_path = path.Append(kChromeExePath);
     ASSERT_TRUE(file_util::CreateDirectory(main_path));
     base::FilePath alternate_path = path.Append(kAlternateChromeExePath);
     ASSERT_TRUE(file_util::CreateDirectory(alternate_path));
   }
 
   virtual void DeleteTempChromeExeFiles() {
     base::FilePath path;
     PathService::Get(base::DIR_LOCAL_APP_DATA, &path);
     base::FilePath main_path = path.Append(kChromeExePath);
-    ASSERT_TRUE(file_util::Delete(main_path, true));
+    ASSERT_TRUE(base::Delete(main_path, true));
     PathService::Get(base::DIR_LOCAL_APP_DATA, &path);
     base::FilePath alternate_path = path.Append(kAlternateChromeExePath);
-    ASSERT_TRUE(file_util::Delete(alternate_path, true));
+    ASSERT_TRUE(base::Delete(alternate_path, true));
   }
 
  protected:
   virtual void SetUp() {
     SetUpChromeExeRegistry();
   }
 
   virtual void TearDown() {
     DeleteChromeExeRegistry();
   }
@@ skipping 174 matching lines @@
   EXPECT_TRUE(monitor2->pfnEndDocPort(port_handle));
   RevertToSelf();
   EXPECT_TRUE(monitor2->pfnClosePort != NULL);
   EXPECT_TRUE(monitor2->pfnClosePort(port_handle));
   // Shutdown the port monitor.
   Monitor2Shutdown(monitor_handle);
 }
 
 }  // namespace cloud_print