refactor folders to make prepare for native pdf parser

experimental/PdfViewer/pdfparser/podofo/autogen/SkPdfEncryptionCommonDictionary_autogen.cpp

 #include "SkPdfEncryptionCommonDictionary_autogen.h"
 
 std::string SkPdfEncryptionCommonDictionary::Filter() const {
   std::string ret;
   if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Filter", "", &ret)) return ret;
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return "";
 }
 
 double SkPdfEncryptionCommonDictionary::V() const {
   double ret;
   if (DoubleFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "V", "", &ret)) return ret;
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return 0;
 }
 
 long SkPdfEncryptionCommonDictionary::Length() const {
   long ret;
   if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Length", "", &ret)) return ret;
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return 0;
 }