change_observer   118 content/browser/fileapi/file_system_operation_impl_unittest.cc   fileapi::MockFileChangeObserver* change_observer() {
change_observer   112 content/browser/fileapi/file_system_operation_impl_write_unittest.cc   fileapi::MockFileChangeObserver* change_observer() {
change_observer   218 content/browser/fileapi/obfuscated_file_util_unittest.cc   fileapi::MockFileChangeObserver* change_observer() {