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

core/fpdfapi/font/fpdf_font.cpp

Index: core/fpdfapi/font/fpdf_font.cpp
diff --git a/core/fpdfapi/font/fpdf_font.cpp b/core/fpdfapi/font/fpdf_font.cpp
index b681edf70b46073e4244812d30d8ab643b8e1a68..c827ea5793bfb5f7897c7d5c408c8c447a372a09 100644
--- a/core/fpdfapi/font/fpdf_font.cpp
+++ b/core/fpdfapi/font/fpdf_font.cpp
@@ -47,8 +47,11 @@
 
 CFX_StockFontArray::~CFX_StockFontArray() {
   for (size_t i = 0; i < FX_ArraySize(m_StockFonts); ++i) {
-    if (m_StockFonts[i])
-      delete m_StockFonts[i]->GetFontDict();
+    if (!m_StockFonts[i])
+      continue;
+    CPDF_Dictionary* pFontDict = m_StockFonts[i]->GetFontDict();
+    if (pFontDict)
+      pFontDict->Release();
   }
 }