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

experimental/PdfViewer/SkPdfPrinterMarkAnnotationDictionary_autogen.h

Index: experimental/PdfViewer/SkPdfPrinterMarkAnnotationDictionary_autogen.h
===================================================================
--- experimental/PdfViewer/SkPdfPrinterMarkAnnotationDictionary_autogen.h	(revision 9684)
+++ experimental/PdfViewer/SkPdfPrinterMarkAnnotationDictionary_autogen.h	(working copy)
@@ -5,6 +5,7 @@
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entries specific to a printer's mark annotation
 class SkPdfPrinterMarkAnnotationDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kPrinterMarkAnnotationDictionary_SkPdfObjectType;}
@@ -521,6 +522,13 @@
 
   SkPdfPrinterMarkAnnotationDictionary& operator=(const SkPdfPrinterMarkAnnotationDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) The type of annotation that this dictionary describes; must be Printer-
+ *  Mark for a printer's mark annotation.
+**/
+  bool has_Subtype() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subtype", "", NULL));
+  }
+
   std::string Subtype() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subtype", "", &ret)) return ret;
@@ -528,6 +536,13 @@
     return "";
   }
 
+/** (Optional) An arbitrary name identifying the type of printer's mark, such as Color-
+ *  Bar or RegistrationTarget.
+**/
+  bool has_MN() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "MN", "", NULL));
+  }
+
   std::string MN() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "MN", "", &ret)) return ret;