refactor folders to make prepare for native pdf parser

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

 #include "SkPdfJavascriptDictionary_autogen.h"
 
 std::string SkPdfJavascriptDictionary::getBeforeAsString() const {
   std::string ret = "";
   if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Before", "", &ret)) return ret;
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return "";
 }
 
 SkPdfStream* SkPdfJavascriptDictionary::getBeforeAsStream() const {
@@ skipping 16 matching lines @@
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return NULL;
 }
 
 SkPdfArray* SkPdfJavascriptDictionary::Doc() const {
   SkPdfArray* ret;
   if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Doc", "", &ret)) return ret;
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return NULL;
 }