Merge to XFA: Make a bunch of JBig2 classes independent of CJBig2_Object.

core/src/fxcodec/jbig2/JBig2_Context.h

Index: core/src/fxcodec/jbig2/JBig2_Context.h
diff --git a/core/src/fxcodec/jbig2/JBig2_Context.h b/core/src/fxcodec/jbig2/JBig2_Context.h
index eb0ceb0eb96adfb48a9801c81a2f58e401df3398..0590fd157b3e193cc3b4da886460b79878285c76 100644
--- a/core/src/fxcodec/jbig2/JBig2_Context.h
+++ b/core/src/fxcodec/jbig2/JBig2_Context.h
@@ -10,18 +10,16 @@
 #include <list>
 #include <utility>
 
-#include "JBig2_Module.h"
+#include "../../../../third_party/base/nonstd_unique_ptr.h"
+#include "../../../include/fxcodec/fx_codec_def.h"
+#include "JBig2_GeneralDecoder.h"
 #include "JBig2_List.h"
-#include "JBig2_Segment.h"
+#include "JBig2_Module.h"
 #include "JBig2_Page.h"
-#include "JBig2_GeneralDecoder.h"
-#include "../../../include/fxcodec/fx_codec_def.h"
+#include "JBig2_Segment.h"
+
+using CJBig2_CachePair = std::pair<uint8_t*, CJBig2_SymbolDict*>;
 
-typedef std::pair<uint8_t*, CJBig2_SymbolDict*> CJBig2_CachePair;
-typedef enum {
-  JBIG2_OUT_OF_PAGE = 0,
-  JBIG2_IN_PAGE,
-} JBig2State;
 #define JBIG2_SUCCESS 0
 #define JBIG2_FAILED -1
 #define JBIG2_ERROR_TOO_SHORT -2
@@ -36,6 +34,7 @@ typedef enum {
 #define JBIG2_RANDOM_STREAM 2
 #define JBIG2_EMBED_STREAM 3
 #define JBIG2_MIN_SEGMENT_SIZE 11
+
 class CJBig2_Context : public CJBig2_Object {
  public:
   static CJBig2_Context* CreateContext(
@@ -62,6 +61,11 @@ class CJBig2_Context : public CJBig2_Object {
   FXCODEC_STATUS GetProcessiveStatus() { return m_ProcessiveStatus; }
 
  private:
+  enum JBig2State {
+    JBIG2_OUT_OF_PAGE = 0,
+    JBIG2_IN_PAGE,
+  };
+
   CJBig2_Context(uint8_t* pGlobalData,
                  FX_DWORD dwGlobalLength,
                  uint8_t* pData,
@@ -119,22 +123,14 @@ class CJBig2_Context : public CJBig2_Object {
 
  private:
   CJBig2_Context* m_pGlobalContext;
-
   int32_t m_nStreamType;
-
   CJBig2_BitStream* m_pStream;
-
   int32_t m_nState;
-
-  CJBig2_List<CJBig2_Segment>* m_pSegmentList;
-
-  CJBig2_List<JBig2PageInfo>* m_pPageInfoList;
-
+  CJBig2_List<CJBig2_Segment> m_SegmentList;
+  CJBig2_List<JBig2PageInfo> m_PageInfoList;
   CJBig2_Image* m_pPage;
-
   FX_BOOL m_bBufSpecified;
-
-  int32_t m_nSegmentDecoded;
+  size_t m_nSegmentDecoded;
   IFX_Pause* m_pPause;
   int32_t m_PauseStep;
   FXCODEC_STATUS m_ProcessiveStatus;
@@ -142,7 +138,7 @@ class CJBig2_Context : public CJBig2_Object {
   CJBig2_ArithDecoder* m_pArithDecoder;
   CJBig2_GRDProc* m_pGRD;
   JBig2ArithCtx* m_gbContext;
-  CJBig2_Segment* m_pSegment;
+  nonstd::unique_ptr<CJBig2_Segment> m_pSegment;
   FX_DWORD m_dwOffset;
   JBig2RegionInfo m_ri;
   std::list<CJBig2_CachePair>* m_pSymbolDictCache;