pdfviewer: check in pdfapi classes

experimental/PdfViewer/pdfparser/native/pdfapi/SkPdfAlternateImageDictionary_autogen.cpp

+#include "SkPdfAlternateImageDictionary_autogen.h"
+
+
+#include "SkPdfNativeDoc.h"
+SkPdfStream* SkPdfAlternateImageDictionary::Image(SkPdfNativeDoc* doc) {
+  SkPdfNativeObject* ret = get("Image", "");
+  if (doc) {ret = doc->resolveReference(ret);}
+  if ((ret != NULL && ret->hasStream()) || (doc == NULL && ret != NULL && ret->isReference())) return ret->getStream();
+  // TODO(edisonn): warn about missing required field, assert for known good pdfs
+  return NULL;
+}
+
+bool SkPdfAlternateImageDictionary::has_Image() const {
+  return get("Image", "") != NULL;
+}
+
+bool SkPdfAlternateImageDictionary::DefaultForPrinting(SkPdfNativeDoc* doc) {
+  SkPdfNativeObject* ret = get("DefaultForPrinting", "");
+  if (doc) {ret = doc->resolveReference(ret);}
+  if ((ret != NULL && ret->isBoolean()) || (doc == NULL && ret != NULL && ret->isReference())) return ret->boolValue();
+  // TODO(edisonn): warn about missing default value for optional fields
+  return false;
+}
+
+bool SkPdfAlternateImageDictionary::has_DefaultForPrinting() const {
+  return get("DefaultForPrinting", "") != NULL;
+}
+