Fix a leak with FPDFPageObj_NewImgeObj().

core/fpdfapi/fpdf_page/cpdf_image.cpp

Index: core/fpdfapi/fpdf_page/cpdf_image.cpp
diff --git a/core/fpdfapi/fpdf_page/cpdf_image.cpp b/core/fpdfapi/fpdf_page/cpdf_image.cpp
index 63e006fc06054935d2762479897fe97d1faa918e..04883dc37156bb8ec8bb60766f27de7d9f476bc7 100644
--- a/core/fpdfapi/fpdf_page/cpdf_image.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_image.cpp
@@ -6,6 +6,8 @@
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_image.h"
 
+#include <memory>
+
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_boolean.h"
@@ -23,8 +25,12 @@ CPDF_Image::CPDF_Image(CPDF_Document* pDoc)
       m_pMask(nullptr),
       m_MatteColor(0),
       m_pStream(nullptr),
-      m_bInline(FALSE),
+      m_bInline(false),
       m_pInlineDict(nullptr),
+      m_Height(0),
+      m_Width(0),
+      m_bIsMask(false),
+      m_bInterpolate(false),
       m_pDocument(pDoc),
       m_pOC(nullptr) {}
 
@@ -37,8 +43,12 @@ CPDF_Image::~CPDF_Image() {
   }
 }
 
+bool CPDF_Image::CanRelease() const {
+  return m_bInline || (m_pStream && m_pStream->GetObjNum() == 0);
+}
+
 void CPDF_Image::Release() {
-  if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0))
+  if (CanRelease())
     delete this;
 }
 
@@ -54,7 +64,7 @@ CPDF_Image* CPDF_Image::Clone() {
   return pImage;
 }
 
-FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) {
+void CPDF_Image::LoadImageF(CPDF_Stream* pStream, bool bInline) {
   m_pStream = pStream;
   if (m_bInline && m_pInlineDict) {
     m_pInlineDict->Release();
@@ -62,16 +72,15 @@ FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) {
   }
   m_bInline = bInline;
   CPDF_Dictionary* pDict = pStream->GetDict();
-  if (m_bInline) {
+  if (m_bInline)
     m_pInlineDict = ToDictionary(pDict->Clone());
-  }
+
   m_pOC = pDict->GetDictBy("OC");
   m_bIsMask =
       !pDict->KeyExist("ColorSpace") || pDict->GetIntegerBy("ImageMask");
   m_bInterpolate = pDict->GetIntegerBy("Interpolate");
   m_Height = pDict->GetIntegerBy("Height");
   m_Width = pDict->GetIntegerBy("Width");
-  return TRUE;
 }
 
 CPDF_Dictionary* CPDF_Image::InitJPEG(uint8_t* pData, uint32_t size) {