25 class FileHelper {  class
27    FileHelper(FileProxy* proxy, File file)  in FileHelper()  function in base::FileHelper
48   DISALLOW_COPY_AND_ASSIGN(FileHelper);
53 class GenericFileHelper : public FileHelper {
56       : FileHelper(proxy, file.Pass()) {  in GenericFileHelper()
89 class CreateOrOpenHelper : public FileHelper {
92       : FileHelper(proxy, file.Pass()) {  in CreateOrOpenHelper()
110 class CreateTemporaryHelper : public FileHelper {
113       : FileHelper(proxy, file.Pass()) {  in CreateTemporaryHelper()
152 class GetInfoHelper : public FileHelper {
155       : FileHelper(proxy, file.Pass()) {  in GetInfoHelper()
174 class ReadHelper : public FileHelper {
177       : FileHelper(proxy, file.Pass()),  in ReadHelper()
201 class WriteHelper : public FileHelper {
206       : FileHelper(proxy, file.Pass()),  in WriteHelper()