refactoring for pdf viewer lib

experimental/PdfViewer/autogen/SkPdfAlternateImageDictionary_autogen.h

 #ifndef __DEFINED__SkPdfAlternateImageDictionary
 #define __DEFINED__SkPdfAlternateImageDictionary
 
 #include "SkPdfUtils.h"
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
 // Entries in an alternate image dictionary
 class SkPdfAlternateImageDictionary : public SkPdfDictionary {
@@ skipping 513 matching lines @@
   virtual bool valid() const {return true;}
 
   SkPdfAlternateImageDictionary& operator=(const SkPdfAlternateImageDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
 /** (Required) The image XObject for the alternate image.
 **/
   bool has_Image() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Image", "", NULL));
   }
 
-  SkPdfStream* Image() const {
-    SkPdfStream* ret;
-    if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Image", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfStream* Image() const;
 /** (Optional) A flag indicating whether this alternate image is the default ver-
  *  sion to be used for printing. At most one alternate for a given base image may
  *  be so designated. If no alternate has this entry set to true, the base image itself
  *  is used for printing.
 **/
   bool has_DefaultForPrinting() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "DefaultForPrinting", "", NULL));
   }
 
-  bool DefaultForPrinting() const {
-    bool ret;
-    if (BoolFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "DefaultForPrinting", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return false;
-  }
-
+  bool DefaultForPrinting() const;
 };
 
 #endif  // __DEFINED__SkPdfAlternateImageDictionary