Fix a leak with FPDFPageObj_NewImgeObj().

core/fpdfapi/fpdf_page/include/cpdf_image.h

Index: core/fpdfapi/fpdf_page/include/cpdf_image.h
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_image.h b/core/fpdfapi/fpdf_page/include/cpdf_image.h
index f475e534781f76d5e2d41128758d18f90bf28e8c..2a78bb00a3d09c0382d91eb87d1dedfcb783ac13 100644
--- a/core/fpdfapi/fpdf_page/include/cpdf_image.h
+++ b/core/fpdfapi/fpdf_page/include/cpdf_image.h
@@ -30,8 +30,7 @@ class CPDF_Image {
   explicit CPDF_Image(CPDF_Document* pDoc);
   ~CPDF_Image();
 
-  FX_BOOL LoadImageF(CPDF_Stream* pImageStream, FX_BOOL bInline);
-
+  bool CanRelease() const;
   void Release();
 
   CPDF_Image* Clone();
@@ -47,9 +46,11 @@ class CPDF_Image {
   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,
@@ -81,13 +82,13 @@ class CPDF_Image {
   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;
 };