Revert of Remove CPDF_Object::Release() in favor of direct delete

core/fpdfapi/parser/cpdf_object.cpp

Index: core/fpdfapi/parser/cpdf_object.cpp
diff --git a/core/fpdfapi/parser/cpdf_object.cpp b/core/fpdfapi/parser/cpdf_object.cpp
index e9c215ce19b68f62998c022656e57d611e4ab38d..cc410d10c8fdf125bc2525f31ea6dd2e5aafda77 100644
--- a/core/fpdfapi/parser/cpdf_object.cpp
+++ b/core/fpdfapi/parser/cpdf_object.cpp
@@ -35,6 +35,11 @@
     bool bDirect,
     std::set<const CPDF_Object*>* pVisited) const {
   return Clone();
+}
+
+void CPDF_Object::Release() {
+  CHECK(!m_ObjNum);
+  delete this;
 }
 
 CFX_ByteString CPDF_Object::GetString() const {