Extern in .cpp file is a code smell, part 2.

core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp

Index: core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
index 9227536ec7b8a240f5a120f1b2fd58312d5d0087..592a7b13265dc3fb403734af9ca9db9ae0d84823 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
@@ -983,15 +983,6 @@ FX_BOOL CPDF_Stream::Identical(CPDF_Stream* pOther) const {
   return FXSYS_memcmp(m_pDataBuf, pOther->m_pDataBuf, m_dwSize) == 0;
 }
 
-extern FX_BOOL PDF_DataDecode(const uint8_t* src_buf,
-                              FX_DWORD src_size,
-                              const CPDF_Dictionary* pDict,
-                              uint8_t*& dest_buf,
-                              FX_DWORD& dest_size,
-                              CFX_ByteString& ImageEncoding,
-                              CPDF_Dictionary*& pImageParms,
-                              FX_DWORD estimated_size,
-                              FX_BOOL bImageAcc);
 CPDF_StreamAcc::CPDF_StreamAcc() {
   m_bNewBuf = FALSE;
   m_pData = NULL;