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

experimental/PdfViewer/SkPdfGoToActionDictionary_autogen.h

 #ifndef __DEFINED__SkPdfGoToActionDictionary
 #define __DEFINED__SkPdfGoToActionDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entries specific to a go-to action
 class SkPdfGoToActionDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kGoToActionDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kGoToActionDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfGoToActionDictionary* asGoToActionDictionary() {return this;}
   virtual const SkPdfGoToActionDictionary* asGoToActionDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfGoToActionDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfGoToActionDictionary& operator=(const SkPdfGoToActionDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) The type of action that this dictionary describes; must be GoTo for a
+ *  go-to action.
+**/
+  bool has_S() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "S", "", NULL));
+  }
+
   std::string S() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "S", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Required) The destination to jump to (see Section 8.2.1, "Destinations").
+**/
+  bool has_D() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "D", "", NULL));
+  }
+
   bool isDAName() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "D", "", &ret)) return false;
     return ret->podofo()->GetDataType() == ePdfDataType_Name;
   }
 
   std::string getDAsName() const {
     std::string ret = "";
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "D", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
@@ skipping 22 matching lines @@
   SkPdfArray getDAsArray() const {
     SkPdfArray ret = SkPdfArray();
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "D", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfArray();
   }
 
 };
 
 #endif  // __DEFINED__SkPdfGoToActionDictionary