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

core/src/fxcodec/jbig2/JBig2_BitStream.h

Index: core/src/fxcodec/jbig2/JBig2_BitStream.h
diff --git a/core/src/fxcodec/jbig2/JBig2_BitStream.h b/core/src/fxcodec/jbig2/JBig2_BitStream.h
index c74964473c829d0ff735c3247c4e78f17acb6fa1..78a9dfe677545b7a2a98df8ae1fb4dd0c4430dea 100644
--- a/core/src/fxcodec/jbig2/JBig2_BitStream.h
+++ b/core/src/fxcodec/jbig2/JBig2_BitStream.h
@@ -6,8 +6,10 @@
 
 #ifndef _JBIG2_BIT_STREAM_H_
 #define _JBIG2_BIT_STREAM_H_
+
 #include "JBig2_Define.h"
-class CJBig2_BitStream : public CJBig2_Object {
+
+class CJBig2_BitStream {
  public:
   CJBig2_BitStream(uint8_t* pBuffer, FX_DWORD dwLength);