refactoring for pdf viewer lib

experimental/PdfViewer/autogen/SkPdfThreadDictionary_autogen.h

 #ifndef __DEFINED__SkPdfThreadDictionary
 #define __DEFINED__SkPdfThreadDictionary
 
 #include "SkPdfUtils.h"
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
 // Entries in a thread dictionary
 class SkPdfThreadDictionary : public SkPdfDictionary {
@@ skipping 514 matching lines @@
 
   SkPdfThreadDictionary& operator=(const SkPdfThreadDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
 /** (Optional) The type of PDF object that this dictionary describes; if present, must be
  *  Thread for a thread dictionary.
 **/
   bool has_Type() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Type", "", NULL));
   }
 
-  std::string Type() const {
-    std::string ret;
-    if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Type", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return "";
-  }
-
+  std::string Type() const;
 /** (Required; must be an indirect reference) The first bead in the thread.
 **/
   bool has_F() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "F", "", NULL));
   }
 
-  SkPdfDictionary* F() const {
-    SkPdfDictionary* ret;
-    if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "F", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfDictionary* F() const;
 /** (Optional) A thread information dictionary containing information about the
  *  thread, such as its title, author, and creation date. The contents of this dictionary are
  *  similar to those of the document information dictionary (see Section 9.2.1, "Docu-
  *  ment Information Dictionary").
 **/
   bool has_I() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "I", "", NULL));
   }
 
-  SkPdfDictionary* I() const {
-    SkPdfDictionary* ret;
-    if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "I", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfDictionary* I() const;
 };
 
 #endif  // __DEFINED__SkPdfThreadDictionary