Move Copy* into the base namespace.

chrome/browser/chromeos/extensions/file_manager/file_manager_browsertest.cc

 // Copyright (c) 2013 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.
 
 // Browser test for basic Chrome OS file manager functionality:
 //  - The file list is updated when a file is added externally to the Downloads
 //    folder.
 //  - Selecting a file and copy-pasting it with the keyboard copies the file.
 //  - Selecting a file and pressing delete deletes it.
 
@@ skipping 100 matching lines @@
         file_util::CreateDirectory(local_path_);
   }
 
   void CreateEntry(const TestEntryInfo& entry) {
     base::FilePath target_path = local_path_.AppendASCII(entry.target_name);
     switch (entry.type) {
       case FILE: {
         base::FilePath source_path =
             google_apis::test_util::GetTestFilePath("chromeos/file_manager").
             AppendASCII(entry.source_file_name);
-        ASSERT_TRUE(file_util::CopyFile(source_path, target_path))
+        ASSERT_TRUE(base::CopyFile(source_path, target_path))
             << "Copy from " << source_path.value()
             << " to " << target_path.value() << " failed.";
         break;
       }
       case DIRECTORY:
         ASSERT_TRUE(file_util::CreateDirectory(target_path)) <<
             "Failed to create a directory: " << target_path.value();
         break;
     }
     base::Time time;
@@ skipping 371 matching lines @@
                        TestParameter(NOT_IN_GUEST_MODE, "hideSearchBox")));
 
 INSTANTIATE_TEST_CASE_P(
     RestorePrefs,
     FileManagerBrowserTest,
     ::testing::Values(TestParameter(IN_GUEST_MODE, "restoreSortColumn"),
                       TestParameter(NOT_IN_GUEST_MODE, "restoreSortColumn"),
                       TestParameter(IN_GUEST_MODE, "restoreCurrentView"),
                       TestParameter(NOT_IN_GUEST_MODE, "restoreCurrentView")));
 }  // namespace