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

core/fpdfapi/parser/cpdf_array.cpp

Index: core/fpdfapi/parser/cpdf_array.cpp
diff --git a/core/fpdfapi/parser/cpdf_array.cpp b/core/fpdfapi/parser/cpdf_array.cpp
index 4000bbc98088e3fecf7531f020a7093fd9fc54c9..e118fd66e6c2ff5892c1fae9c90d77f32851b009 100644
--- a/core/fpdfapi/parser/cpdf_array.cpp
+++ b/core/fpdfapi/parser/cpdf_array.cpp
@@ -24,7 +24,7 @@
   m_ObjNum = kInvalidObjNum;
   for (auto& it : m_Objects) {
     if (it && it->GetObjNum() != kInvalidObjNum)
-      delete it;
+      it->Release();
   }
 }
 
@@ -139,9 +139,10 @@
   if (nCount <= 0 || nCount > m_Objects.size() - i)
     return;
 
-  for (size_t j = 0; j < nCount; ++j)
-    delete m_Objects[i + j];
-
+  for (size_t j = 0; j < nCount; ++j) {
+    if (CPDF_Object* p = m_Objects[i + j])
+      p->Release();
+  }
   m_Objects.erase(m_Objects.begin() + i, m_Objects.begin() + i + nCount);
 }
 
@@ -165,7 +166,9 @@
     ASSERT(false);
     return;
   }
-  delete m_Objects[i];
+  if (CPDF_Object* pOld = m_Objects[i])
+    pOld->Release();
+
   m_Objects[i] = pObj;
 }