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

core/src/fxcodec/jbig2/JBig2_Segment.h

Index: core/src/fxcodec/jbig2/JBig2_Segment.h
diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.h b/core/src/fxcodec/jbig2/JBig2_Segment.h
index 82cd8384a0eb45327cfbef6098bce9b53ca5792e..5c1c585939ef320fe56c9335bcdfe9505e2b9c9e 100644
--- a/core/src/fxcodec/jbig2/JBig2_Segment.h
+++ b/core/src/fxcodec/jbig2/JBig2_Segment.h
@@ -28,15 +28,12 @@ typedef enum {
   JBIG2_PATTERN_DICT_POINTER,
   JBIG2_HUFFMAN_TABLE_POINTER
 } JBig2_ResultType;
-class CJBig2_Segment : public CJBig2_Object {
+class CJBig2_Segment {
  public:
   CJBig2_Segment();
 
   ~CJBig2_Segment();
 
-  void clean();
-
- public:
   FX_DWORD m_dwNumber;
   union {
     struct {