refactor folders to make prepare for native pdf parser

experimental/PdfViewer/autogen/SkPdfStandardSecurityHandlerDictionary_autogen.cpp

-#include "SkPdfStandardSecurityHandlerDictionary_autogen.h"
-
-double SkPdfStandardSecurityHandlerDictionary::R() const {
-  double ret;
-  if (DoubleFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "R", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return 0;
-}
-
-std::string SkPdfStandardSecurityHandlerDictionary::O() const {
-  std::string ret;
-  if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "O", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return "";
-}
-
-std::string SkPdfStandardSecurityHandlerDictionary::U() const {
-  std::string ret;
-  if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "U", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return "";
-}
-
-long SkPdfStandardSecurityHandlerDictionary::P() const {
-  long ret;
-  if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "P", "", &ret)) return ret;
-  // TODO(edisonn): warn about missing required field, assert for known good pdfs
-  return 0;
-}