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

experimental/PdfViewer/SkPdfGoToActionDictionary_autogen.h

Index: experimental/PdfViewer/SkPdfGoToActionDictionary_autogen.h
===================================================================
--- experimental/PdfViewer/SkPdfGoToActionDictionary_autogen.h	(revision 9684)
+++ experimental/PdfViewer/SkPdfGoToActionDictionary_autogen.h	(working copy)
@@ -5,6 +5,7 @@
 #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;}
@@ -521,6 +522,13 @@
 
   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;
@@ -528,6 +536,12 @@
     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;