Move Copy* into the 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 840 matching lines @@
   // file was generated from ClosingTabStaysClosed. If we successfully processed
   // the file we'll have one tab.
   v1_file_path =
       v1_file_path.AppendASCII("sessions").AppendASCII("v1_session_file");
   base::FilePath dest_file_path(path_);
   dest_file_path = dest_file_path.AppendASCII("Current Session");
 
   // Forces closing the file.
   helper_.set_service(NULL);
 
-  ASSERT_TRUE(file_util::CopyFile(v1_file_path, dest_file_path));
+  ASSERT_TRUE(base::CopyFile(v1_file_path, dest_file_path));
 
   SessionService* session_service = new SessionService(path_);
   helper_.set_service(session_service);
   ScopedVector<SessionWindow> windows;
   SessionID::id_type active_window_id = 0;
   helper_.ReadWindows(&(windows.get()), &active_window_id);
   ASSERT_EQ(1u, windows.size());
   EXPECT_EQ(1u, windows[0]->tabs.size());
 }
 #endif  // defined(OS_CHROMEOS)
@@ skipping 104 matching lines @@
   service()->ScheduleCommand(
       service()->CreateSetActiveWindowCommand(window_id));
   service()->ScheduleCommand(
       service()->CreateSetActiveWindowCommand(window2_id));
 
   ScopedVector<SessionWindow> windows;
   SessionID::id_type active_window_id = 0;
   ReadWindows(&(windows.get()), &active_window_id);
   EXPECT_EQ(window2_id.id(), active_window_id);
 }