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

experimental/PdfViewer/SkPdfMarkInformationDictionary_autogen.h

 #ifndef __DEFINED__SkPdfMarkInformationDictionary
 #define __DEFINED__SkPdfMarkInformationDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Entry in the mark information dictionary
 class SkPdfMarkInformationDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kMarkInformationDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kMarkInformationDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfMarkInformationDictionary* asMarkInformationDictionary() {return this;}
   virtual const SkPdfMarkInformationDictionary* asMarkInformationDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfMarkInformationDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfMarkInformationDictionary& operator=(const SkPdfMarkInformationDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Optional) A flag indicating whether the document conforms to Tagged PDF
+ *  conventions. Default value: false.
+**/
+  bool has_Marked() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Marked", "", NULL));
+  }
+
   bool Marked() const {
     bool ret;
     if (BoolFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Marked", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return false;
   }
 
 };
 
 #endif  // __DEFINED__SkPdfMarkInformationDictionary