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

core/fpdfapi/page/cpdf_streamcontentparser.h

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef CORE_FPDFAPI_PAGE_CPDF_STREAMCONTENTPARSER_H_
 #define CORE_FPDFAPI_PAGE_CPDF_STREAMCONTENTPARSER_H_
 
 #include <memory>
@@ skipping 79 matching lines @@
                      FX_FLOAT* pKerning,
                      int count);
 
   void ConvertUserSpace(FX_FLOAT& x, FX_FLOAT& y);
   void ConvertTextSpace(FX_FLOAT& x, FX_FLOAT& y);
   void OnChangeTextMatrix();
   void ParsePathObject();
   void AddPathPoint(FX_FLOAT x, FX_FLOAT y, int flag);
   void AddPathRect(FX_FLOAT x, FX_FLOAT y, FX_FLOAT w, FX_FLOAT h);
   void AddPathObject(int FillType, bool bStroke);
-  CPDF_ImageObject* AddImage(std::unique_ptr<CPDF_Stream> pStream);
+  CPDF_ImageObject* AddImage(UniqueStream pStream);
   CPDF_ImageObject* AddImage(uint32_t streamObjNum);
   CPDF_ImageObject* AddImage(CPDF_Image* pImage);
 
   void AddForm(CPDF_Stream* pStream);
   void SetGraphicStates(CPDF_PageObject* pObj,
                         bool bColor,
                         bool bText,
                         bool bGraph);
   CPDF_ColorSpace* FindColorSpace(const CFX_ByteString& name);
   CPDF_Pattern* FindPattern(const CFX_ByteString& name, bool bShading);
@@ skipping 105 matching lines @@
   CPDF_Image* m_pLastImage;
   CPDF_Dictionary* m_pLastImageDict;
   CPDF_Dictionary* m_pLastCloneImageDict;
   bool m_bColored;
   FX_FLOAT m_Type3Data[6];
   bool m_bResourceMissing;
   std::vector<std::unique_ptr<CPDF_AllStates>> m_StateStack;
 };
 
 #endif  // CORE_FPDFAPI_PAGE_CPDF_STREAMCONTENTPARSER_H_