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-rw-r--r--core/fpdfapi/parser/cpdf_document.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/core/fpdfapi/parser/cpdf_document.h b/core/fpdfapi/parser/cpdf_document.h
index 82af1cfd82..759dd682a6 100644
--- a/core/fpdfapi/parser/cpdf_document.h
+++ b/core/fpdfapi/parser/cpdf_document.h
@@ -45,6 +45,7 @@ class CPDF_Document : public CPDF_IndirectObjectHolder {
class Extension {
public:
virtual ~Extension() {}
+ virtual int GetPageCount() const = 0;
virtual void DeletePage(int page_index) = 0;
};