refactoring for pdf viewer lib

experimental/PdfViewer/autogen/SkPdfJbig2DecodeFilterDictionary_autogen.h

 #ifndef __DEFINED__SkPdfJbig2DecodeFilterDictionary
 #define __DEFINED__SkPdfJbig2DecodeFilterDictionary
 
 #include "SkPdfUtils.h"
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
 // Optional parameter for the JBIG2Decode filter
 class SkPdfJbig2DecodeFilterDictionary : public SkPdfDictionary {
@@ skipping 515 matching lines @@
   SkPdfJbig2DecodeFilterDictionary& operator=(const SkPdfJbig2DecodeFilterDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
 /** ()A stream containing the JBIG2 global (page 0) segments. Global segments
  *  must be placed in this stream even if only a single JBIG2 image XObject refers
  *  to it.
 **/
   bool has_JBIG2Globals() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "JBIG2Globals", "", NULL));
   }
 
-  SkPdfStream* JBIG2Globals() const {
-    SkPdfStream* ret;
-    if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "JBIG2Globals", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfStream* JBIG2Globals() const;
 };
 
 #endif  // __DEFINED__SkPdfJbig2DecodeFilterDictionary