Delete unused methods in CPDF_Parser

core/fpdfapi/fpdf_parser/include/cpdf_parser.h

Index: core/fpdfapi/fpdf_parser/include/cpdf_parser.h
diff --git a/core/fpdfapi/fpdf_parser/include/cpdf_parser.h b/core/fpdfapi/fpdf_parser/include/cpdf_parser.h
index 5d6d6f93fc304369a0d331bf26dd440c1a01bf55..05288353f275069fab8df8dffd7838ffbad3db75 100644
--- a/core/fpdfapi/fpdf_parser/include/cpdf_parser.h
+++ b/core/fpdfapi/fpdf_parser/include/cpdf_parser.h
@@ -48,7 +48,6 @@ class CPDF_Parser {
   CFX_ByteString GetPassword() { return m_Password; }
   CPDF_Dictionary* GetTrailer() const { return m_pTrailer; }
   FX_FILESIZE GetLastXRefOffset() const { return m_LastXRefOffset; }
-  CPDF_Document* GetDocument() const { return m_pDocument; }
 
   uint32_t GetPermissions() const;
   uint32_t GetRootObjNum();
@@ -67,7 +66,6 @@ class CPDF_Parser {
   uint16_t GetObjectGenNum(uint32_t objnum) const;
   bool IsVersionUpdated() const { return m_bVersionUpdated; }
   bool IsObjectFreeOrNull(uint32_t objnum) const;
-  FX_BOOL IsFormStream(uint32_t objnum, FX_BOOL& bForm);
   CPDF_CryptoHandler* GetCryptoHandler();
   IFX_FileRead* GetFileAccess() const;