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

core/fpdfapi/parser/cpdf_syntax_parser.cpp

Index: core/fpdfapi/parser/cpdf_syntax_parser.cpp
diff --git a/core/fpdfapi/parser/cpdf_syntax_parser.cpp b/core/fpdfapi/parser/cpdf_syntax_parser.cpp
index 45d97be771f8c27d54f33088019268d1f93e4b1e..c1ab1cf7682b959b0ce729aae95c1d7da627347f 100644
--- a/core/fpdfapi/parser/cpdf_syntax_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_syntax_parser.cpp
@@ -441,7 +441,8 @@
     int32_t nKeys = 0;
     FX_FILESIZE dwSignValuePos = 0;
 
-    std::unique_ptr<CPDF_Dictionary> pDict(new CPDF_Dictionary(m_pPool));
+    std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
+        new CPDF_Dictionary(m_pPool));
     while (1) {
       CFX_ByteString key = GetNextWord(nullptr);
       if (key.IsEmpty())
@@ -545,7 +546,8 @@
   }
 
   if (word == "[") {
-    std::unique_ptr<CPDF_Array> pArray(new CPDF_Array);
+    std::unique_ptr<CPDF_Array, ReleaseDeleter<CPDF_Array>> pArray(
+        new CPDF_Array);
     while (CPDF_Object* pObj = GetObject(pObjList, objnum, gennum, true))
       pArray->Add(pObj);
 
@@ -558,7 +560,8 @@
   }
 
   if (word == "<<") {
-    std::unique_ptr<CPDF_Dictionary> pDict(new CPDF_Dictionary(m_pPool));
+    std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
+        new CPDF_Dictionary(m_pPool));
     while (1) {
       FX_FILESIZE SavedPos = m_Pos;
       CFX_ByteString key = GetNextWord(nullptr);
@@ -577,7 +580,7 @@
         continue;
 
       key = PDF_NameDecode(key);
-      std::unique_ptr<CPDF_Object> obj(
+      std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> obj(
           GetObject(pObjList, objnum, gennum, true));
       if (!obj) {
         uint8_t ch;
@@ -705,7 +708,7 @@
 
       // Can't find "endstream" or "endobj".
       if (endStreamOffset < 0 && endObjOffset < 0) {
-        delete pDict;
+        pDict->Release();
         return nullptr;
       }
 
@@ -731,7 +734,7 @@
       }
 
       if (len < 0) {
-        delete pDict;
+        pDict->Release();
         return nullptr;
       }
       pDict->SetIntegerFor("Length", len);
@@ -740,7 +743,7 @@
   }
 
   if (len < 0) {
-    delete pDict;
+    pDict->Release();
     return nullptr;
   }