Remove CPDF_ContentMarkItem::HasMCID().

It is uncalled.

Change-Id: I57bc9d3bb8414b171443b4e7744e0f7969d566ca
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/90070
Auto-Submit: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/core/fpdfapi/page/cpdf_contentmarkitem.cpp b/core/fpdfapi/page/cpdf_contentmarkitem.cpp
index 2493ff5..1fa177c 100644
--- a/core/fpdfapi/page/cpdf_contentmarkitem.cpp
+++ b/core/fpdfapi/page/cpdf_contentmarkitem.cpp
@@ -32,11 +32,6 @@
       static_cast<const CPDF_ContentMarkItem*>(this)->GetParam());
 }
 
-bool CPDF_ContentMarkItem::HasMCID() const {
-  const CPDF_Dictionary* pDict = GetParam();
-  return pDict && pDict->KeyExist("MCID");
-}
-
 void CPDF_ContentMarkItem::SetDirectDict(RetainPtr<CPDF_Dictionary> pDict) {
   m_ParamType = kDirectDict;
   m_pDirectDict = std::move(pDict);
diff --git a/core/fpdfapi/page/cpdf_contentmarkitem.h b/core/fpdfapi/page/cpdf_contentmarkitem.h
index 6e3cb89..e371a72 100644
--- a/core/fpdfapi/page/cpdf_contentmarkitem.h
+++ b/core/fpdfapi/page/cpdf_contentmarkitem.h
@@ -24,7 +24,6 @@
   const CPDF_Dictionary* GetParam() const;
   CPDF_Dictionary* GetParam();
   const ByteString& GetPropertyName() const { return m_PropertyName; }
-  bool HasMCID() const;
 
   void SetDirectDict(RetainPtr<CPDF_Dictionary> pDict);
   void SetPropertiesHolder(CPDF_Dictionary* pHolder,