Deal with ca and CA transparency operators in pdf. add comments to generated classes.

experimental/PdfViewer/SkPdfMacOsFileInformationDictionary_autogen.h

 #ifndef __DEFINED__SkPdfMacOsFileInformationDictionary
 #define __DEFINED__SkPdfMacOsFileInformationDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Entries in a Mac OS file information dictionary
 class SkPdfMacOsFileInformationDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kMacOsFileInformationDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kMacOsFileInformationDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfMacOsFileInformationDictionary* asMacOsFileInformationDictionary() {return this;}
   virtual const SkPdfMacOsFileInformationDictionary* asMacOsFileInformationDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfMacOsFileInformationDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfMacOsFileInformationDictionary& operator=(const SkPdfMacOsFileInformationDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Optional) The embedded file's file type.
+**/
+  bool has_Subtype() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subtype", "", NULL));
+  }
+
   std::string Subtype() const {
     std::string ret;
     if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subtype", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Optional) The embedded file's creator signature.
+**/
+  bool has_Creator() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Creator", "", NULL));
+  }
+
   std::string Creator() const {
     std::string ret;
     if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Creator", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Optional) The binary contents of the embedded file's resource fork.
+**/
+  bool has_ResFork() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ResFork", "", NULL));
+  }
+
   SkPdfStream ResFork() const {
     SkPdfStream ret;
     if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ResFork", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfStream();
   }
 
 };
 
 #endif  // __DEFINED__SkPdfMacOsFileInformationDictionary