Use casts to deduplicate implementation of const/non-const methods.

Change-Id: Ia5a4e89bff8a1dbc46246f5a734170765b7ee74e
Reviewed-on: https://pdfium-review.googlesource.com/38250
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>

1 files changed, 2 insertions, 9 deletions

diff --git a/core/fpdfapi/page/cpdf_contentmarkitem.cpp b/core/fpdfapi/page/cpdf_contentmarkitem.cpp
index 90a2930b23..8eba4aa15f 100644
--- a/core/fpdfapi/page/cpdf_contentmarkitem.cpp
+++ b/core/fpdfapi/page/cpdf_contentmarkitem.cpp
@@ -28,15 +28,8 @@ const CPDF_Dictionary* CPDF_ContentMarkItem::GetParam() const {
 }
 
 CPDF_Dictionary* CPDF_ContentMarkItem::GetParam() {
-  switch (m_ParamType) {
-    case PropertiesDict:
-      return m_pPropertiesDict.Get();
-    case DirectDict:
-      return m_pDirectDict.get();
-    case None:
-    default:
-      return nullptr;
-  }
+  return const_cast<CPDF_Dictionary*>(
+      static_cast<const CPDF_ContentMarkItem*>(this)->GetParam());
 }
 
 bool CPDF_ContentMarkItem::HasMCID() const {