Remove m_pOccontent from CPDFSDK_Document

fpdfsdk/cpdfsdk_document.cpp

Index: fpdfsdk/cpdfsdk_document.cpp
diff --git a/fpdfsdk/cpdfsdk_document.cpp b/fpdfsdk/cpdfsdk_document.cpp
index c597a1dab3b07709c170b76be6c6394c20086fc6..677dd835f811020dfdc13001de478ee036326d0d 100644
--- a/fpdfsdk/cpdfsdk_document.cpp
+++ b/fpdfsdk/cpdfsdk_document.cpp
@@ -128,14 +128,6 @@ FX_BOOL CPDFSDK_Document::ProcOpenAction() {
   return FALSE;
 }
 
-CPDF_OCContext* CPDFSDK_Document::GetOCContext() {
-  if (!m_pOccontent) {
-    m_pOccontent.reset(
-        new CPDF_OCContext(GetPDFDocument(), CPDF_OCContext::View));
-  }
-  return m_pOccontent.get();
-}
-
 void CPDFSDK_Document::RemovePageView(UnderlyingPageType* pUnderlyingPage) {
   auto it = m_pageMap.find(pUnderlyingPage);
   if (it == m_pageMap.end())