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

core/fpdfapi/page/cpdf_image.h

Index: core/fpdfapi/page/cpdf_image.h
diff --git a/core/fpdfapi/page/cpdf_image.h b/core/fpdfapi/page/cpdf_image.h
index f619845597e48307154d2d5784bc82ff9be6641f..02308db647e91330fec4e1bdfe2b312cdef772a3 100644
--- a/core/fpdfapi/page/cpdf_image.h
+++ b/core/fpdfapi/page/cpdf_image.h
@@ -28,7 +28,7 @@ class IFX_SeekableWriteStream;
 class CPDF_Image {
  public:
   explicit CPDF_Image(CPDF_Document* pDoc);
-  CPDF_Image(CPDF_Document* pDoc, UniqueStream pStream);
+  CPDF_Image(CPDF_Document* pDoc, std::unique_ptr<CPDF_Stream> pStream);
   CPDF_Image(CPDF_Document* pDoc, uint32_t dwStreamObjNum);
   ~CPDF_Image();
 
@@ -84,8 +84,8 @@ class CPDF_Image {
   CPDF_Document* const m_pDocument;
   CPDF_Stream* m_pStream = nullptr;
   CPDF_Dictionary* m_pDict = nullptr;
-  UniqueStream m_pOwnedStream;
-  UniqueDictionary m_pOwnedDict;
+  std::unique_ptr<CPDF_Stream> m_pOwnedStream;
+  std::unique_ptr<CPDF_Dictionary> m_pOwnedDict;
   CPDF_Dictionary* m_pOC = nullptr;
 };