Move directory creation functions to base namespace.

chrome/browser/chromeos/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 187 matching lines @@
       if (!tmp_dir_.CreateUniqueTempDir())
         return false;
       local_path_ = tmp_dir_.path().Append(kDownloads);
     }
     fileapi::ExternalMountPoints* const mount_points =
         content::BrowserContext::GetMountPoints(profile);
     mount_points->RevokeFileSystem(kDownloads);
 
     return mount_points->RegisterFileSystem(
         kDownloads, fileapi::kFileSystemTypeNativeLocal, local_path_) &&
-        file_util::CreateDirectory(local_path_);
+        base::CreateDirectory(local_path_);
   }
 
   void CreateEntry(const TestEntryInfo& entry) {
     const base::FilePath target_path =
         local_path_.AppendASCII(entry.target_path);
 
     entries_.insert(std::make_pair(target_path, entry));
     switch (entry.type) {
       case FILE: {
         const base::FilePath source_path =
             google_apis::test_util::GetTestFilePath("chromeos/file_manager").
             AppendASCII(entry.source_file_name);
         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)) <<
+        ASSERT_TRUE(base::CreateDirectory(target_path)) <<
             "Failed to create a directory: " << target_path.value();
         break;
     }
     ASSERT_TRUE(UpdateModifiedTime(entry));
   }
 
  private:
   // Updates ModifiedTime of the entry and its parents by referring
   // TestEntryInfo. Returns true on success.
   bool UpdateModifiedTime(const TestEntryInfo& entry) {
@@ skipping 494 matching lines @@
     ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "searchBoxFocus")));
 
 INSTANTIATE_TEST_CASE_P(
     Thumbnails,
     FileManagerBrowserTest,
     ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "thumbnailsDownloads"),
                       TestParameter(IN_GUEST_MODE, "thumbnailsDownloads")));
 
 }  // namespace
 }  // namespace file_manager