Fix a leak with FPDFPageObj_NewImgeObj().

core/fpdfapi/fpdf_page/include/cpdf_image.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_FPDF_PAGE_INCLUDE_CPDF_IMAGE_H_
 #define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGE_H_
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
@@ skipping 12 matching lines @@
 class CPDF_Page;
 class IFX_FileRead;
 class IFX_FileWrite;
 class IFX_Pause;
 
 class CPDF_Image {
  public:
   explicit CPDF_Image(CPDF_Document* pDoc);
   ~CPDF_Image();
 
-  FX_BOOL LoadImageF(CPDF_Stream* pImageStream, FX_BOOL bInline);
-
+  bool CanRelease() const;
   void Release();

[Wei Li, 2016/08/04 18:00:39]

Nit: Release() can be removed. Callers can directly call 'delete' since they all
check whether it can be deleted.

 
   CPDF_Image* Clone();
 
   CPDF_Dictionary* GetInlineDict() const { return m_pInlineDict; }
   CPDF_Stream* GetStream() const { return m_pStream; }
   CPDF_Dictionary* GetDict() const {
     return m_pStream ? m_pStream->GetDict() : nullptr;
   }
   CPDF_Dictionary* GetOC() const { return m_pOC; }
   CPDF_Document* GetDocument() const { return m_pDocument; }
 
   int32_t GetPixelHeight() const { return m_Height; }
   int32_t GetPixelWidth() const { return m_Width; }
 
-  FX_BOOL IsInline() { return m_bInline; }
-  FX_BOOL IsMask() const { return m_bIsMask; }
-  FX_BOOL IsInterpol() const { return m_bInterpolate; }
+  bool IsInline() const { return m_bInline; }
+  bool IsMask() const { return m_bIsMask; }
+  bool IsInterpol() const { return m_bInterpolate; }
+
+  void LoadImageF(CPDF_Stream* pImageStream, bool bInline);
 
   CFX_DIBSource* LoadDIBSource(CFX_DIBSource** ppMask = nullptr,
                                uint32_t* pMatteColor = nullptr,
                                FX_BOOL bStdCS = FALSE,
                                uint32_t GroupFamily = 0,
                                FX_BOOL bLoadMask = FALSE) const;
 
   void SetInlineDict(CPDF_Dictionary* pDict) { m_pInlineDict = pDict; }
   void SetImage(const CFX_DIBitmap* pDIBitmap, int32_t iCompress);
   void SetJpegImage(uint8_t* pImageData, uint32_t size);
@@ skipping 11 matching lines @@
   CFX_DIBSource* DetachMask();
 
   CFX_DIBSource* m_pDIBSource;
   CFX_DIBSource* m_pMask;
   uint32_t m_MatteColor;
 
  private:
   CPDF_Dictionary* InitJPEG(uint8_t* pData, uint32_t size);
 
   CPDF_Stream* m_pStream;
-  FX_BOOL m_bInline;
+  bool m_bInline;
   CPDF_Dictionary* m_pInlineDict;
   int32_t m_Height;
   int32_t m_Width;
-  FX_BOOL m_bIsMask;
-  FX_BOOL m_bInterpolate;
-  CPDF_Document* m_pDocument;
+  bool m_bIsMask;
+  bool m_bInterpolate;
+  CPDF_Document* const m_pDocument;
   CPDF_Dictionary* m_pOC;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGE_H_