Move GetFileSize, NormalizeFilePath to base namespace

chrome/browser/chromeos/drive/file_system/download_operation_unittest.cc

 // Copyright 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.
 
 #include "chrome/browser/chromeos/drive/file_system/download_operation.h"
 
 #include "base/file_util.h"
 #include "base/task_runner_util.h"
 #include "chrome/browser/chromeos/drive/fake_free_disk_space_getter.h"
 #include "chrome/browser/chromeos/drive/file_cache.h"
@@ skipping 338 matching lines @@
 
     // Try second download. In this case, the file should be cached, so
     // |local_path| should not be empty while |cancel_download| is empty.
     EXPECT_EQ(FILE_ERROR_OK, initialized_error);
     ASSERT_TRUE(entry);
     ASSERT_TRUE(!local_path.empty());
     EXPECT_TRUE(cancel_download.is_null());
     // The content is available from the cache file.
     EXPECT_TRUE(get_content_callback.data().empty());
     int64 local_file_size = 0;
-    file_util::GetFileSize(local_path, &local_file_size);
+    base::GetFileSize(local_path, &local_file_size);
     EXPECT_EQ(entry->file_info().size(), local_file_size);
     EXPECT_EQ(FILE_ERROR_OK, completion_error);
   }
 }
 
 TEST_F(DownloadOperationTest, EnsureFileDownloadedByLocalId_FromCache) {
   base::FilePath temp_file;
   ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir(), &temp_file));
 
   base::FilePath file_in_root(FILE_PATH_LITERAL("drive/root/File 1.txt"));
@@ skipping 90 matching lines @@
   test_util::RunBlockingPoolTask();
 
   EXPECT_EQ(FILE_ERROR_OK, error);
   // Check that the result of local modification is propagated.
   EXPECT_EQ(static_cast<int64>(dirty_size), init_entry->file_info().size());
   EXPECT_EQ(static_cast<int64>(dirty_size), entry->file_info().size());
 }
 
 }  // namespace file_system
 }  // namespace drive