Convert ARRAYSIZE_UNSAFE -> arraysize in content/.

content/browser/fileapi/file_system_operation_impl_unittest.cc

Index: content/browser/fileapi/file_system_operation_impl_unittest.cc
diff --git a/content/browser/fileapi/file_system_operation_impl_unittest.cc b/content/browser/fileapi/file_system_operation_impl_unittest.cc
index af2d0785c992ce895147e0865f99bf6559a08583..59f32b6d6989b77435ab54da96798e14fc7cf7b8 100644
--- a/content/browser/fileapi/file_system_operation_impl_unittest.cc
+++ b/content/browser/fileapi/file_system_operation_impl_unittest.cc
@@ -820,7 +820,7 @@ TEST_F(FileSystemOperationImplTest, TestCopyInForeignFileSuccess) {
   base::FilePath src_local_disk_file_path;
   base::CreateTemporaryFile(&src_local_disk_file_path);
   const char test_data[] = "foo";
-  int data_size = ARRAYSIZE_UNSAFE(test_data);
+  int data_size = arraysize(test_data);
   base::WriteFile(src_local_disk_file_path, test_data, data_size);
 
   FileSystemURL dest_dir(CreateDirectory("dest"));
@@ -851,8 +851,7 @@ TEST_F(FileSystemOperationImplTest, TestCopyInForeignFileFailureByQuota) {
   base::FilePath src_local_disk_file_path;
   base::CreateTemporaryFile(&src_local_disk_file_path);
   const char test_data[] = "foo";
-  base::WriteFile(src_local_disk_file_path, test_data,
-                       ARRAYSIZE_UNSAFE(test_data));
+  base::WriteFile(src_local_disk_file_path, test_data, arraysize(test_data));
 
   FileSystemURL dest_dir(CreateDirectory("dest"));