refactoring for pdf viewer lib

experimental/PdfViewer/autogen/SkPdfEncryptedEmbeddedFileStreamDictionary_autogen.h

 #ifndef __DEFINED__SkPdfEncryptedEmbeddedFileStreamDictionary
 #define __DEFINED__SkPdfEncryptedEmbeddedFileStreamDictionary
 
 #include "SkPdfUtils.h"
 #include "SkPdfEnums_autogen.h"
 #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 {
@@ skipping 515 matching lines @@
   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;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return 0;
-  }
-
+  long EncryptionRevision() const;
 };
 
 #endif  // __DEFINED__SkPdfEncryptedEmbeddedFileStreamDictionary