refactor folders to make prepare for native pdf parser

experimental/PdfViewer/autogen/SkPdfFileTrailerDictionary_autogen.cpp

-#include "SkPdfFileTrailerDictionary_autogen.h"
-
-long SkPdfFileTrailerDictionary::Size() const {
-  long ret;
-  if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Size", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return 0;
-}
-
-long SkPdfFileTrailerDictionary::Prev() const {
-  long ret;
-  if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Prev", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return 0;
-}
-
-SkPdfDictionary* SkPdfFileTrailerDictionary::Root() const {
-  SkPdfDictionary* ret;
-  if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Root", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-SkPdfDictionary* SkPdfFileTrailerDictionary::Encrypt() const {
-  SkPdfDictionary* ret;
-  if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Encrypt", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-SkPdfDictionary* SkPdfFileTrailerDictionary::Info() const {
-  SkPdfDictionary* ret;
-  if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Info", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}
-
-SkPdfArray* SkPdfFileTrailerDictionary::ID() const {
-  SkPdfArray* ret;
-  if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ID", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return NULL;
-}