refactoring for pdf viewer lib

experimental/PdfViewer/autogen/SkPdfTextFieldDictionary_autogen.h

 #ifndef __DEFINED__SkPdfTextFieldDictionary
 #define __DEFINED__SkPdfTextFieldDictionary
 
 #include "SkPdfUtils.h"
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
 // Additional entry specific to a text field
 class SkPdfTextFieldDictionary : public SkPdfDictionary {
@@ skipping 513 matching lines @@
   virtual bool valid() const {return true;}
 
   SkPdfTextFieldDictionary& operator=(const SkPdfTextFieldDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
 /** (Optional; inheritable) The maximum length of the field's text, in characters.
 **/
   bool has_MaxLen() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "MaxLen", "", NULL));
   }
 
-  long MaxLen() const {
-    long ret;
-    if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "MaxLen", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return 0;
-  }
-
+  long MaxLen() const;
 };
 
 #endif  // __DEFINED__SkPdfTextFieldDictionary