refactoring for pdf viewer lib

experimental/PdfViewer/autogen/SkPdfFDFCatalogDictionary_autogen.h

 #ifndef __DEFINED__SkPdfFDFCatalogDictionary
 #define __DEFINED__SkPdfFDFCatalogDictionary
 
 #include "SkPdfUtils.h"
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
 // Entries in the FDF catalog dictionary
 class SkPdfFDFCatalogDictionary : public SkPdfDictionary {
@@ skipping 520 matching lines @@
  *  header specifies a later version, or if this entry is absent, the docu-
  *  ment conforms to the version specified in the header.
  *  Note: The value of this entry is a name object, not a number, and so
  *  must be preceded by a slash character (/) when written in the FDF file
  *  (for example, /1.4).
 **/
   bool has_Version() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Version", "", NULL));
   }
 
-  std::string Version() const {
-    std::string ret;
-    if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Version", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return "";
-  }
-
+  std::string Version() const;
 /** (Required) The FDF dictionary for this file (see Table 8.69).
 **/
   bool has_FDF() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FDF", "", NULL));
   }
 
-  SkPdfDictionary* FDF() const {
-    SkPdfDictionary* ret;
-    if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FDF", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfDictionary* FDF() const;
 };
 
 #endif  // __DEFINED__SkPdfFDFCatalogDictionary