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

experimental/PdfViewer/SkPdfEncryptedEmbeddedFileStreamDictionary_autogen.h

Index: experimental/PdfViewer/SkPdfEncryptedEmbeddedFileStreamDictionary_autogen.h
===================================================================
--- experimental/PdfViewer/SkPdfEncryptedEmbeddedFileStreamDictionary_autogen.h	(revision 9684)
+++ experimental/PdfViewer/SkPdfEncryptedEmbeddedFileStreamDictionary_autogen.h	(working copy)
@@ -5,6 +5,7 @@
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entry in an embedded file stream dictionary for an encrypted FDF file
 class SkPdfEncryptedEmbeddedFileStreamDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kEncryptedEmbeddedFileStreamDictionary_SkPdfObjectType;}
@@ -521,6 +522,14 @@
 
   SkPdfEncryptedEmbeddedFileStreamDictionary& operator=(const SkPdfEncryptedEmbeddedFileStreamDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required if the FDF file is encrypted; PDF 1.4) The revision number of the
+ *  FDF encryption algorithm used to encrypt the file. The only valid value
+ *  defined at the time of publication is 1.
+**/
+  bool has_EncryptionRevision() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "EncryptionRevision", "", NULL));
+  }
+
   long EncryptionRevision() const {
     long ret;
     if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "EncryptionRevision", "", &ret)) return ret;