Fix regression in JBIG2 decoding from commit ce37d73.

core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h

Index: core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h
diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h
index f31636b77cbc93a34c30d8fe77d9ceb940bf24cd..da9fa27ae3f0f7d7d2a14511a3c14959497a9b05 100644
--- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h
+++ b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h
@@ -17,6 +17,8 @@ class CJBig2_ArithIntDecoder {
   CJBig2_ArithIntDecoder();
   ~CJBig2_ArithIntDecoder();
 
+  // Returns true on success, and false when an OOB condition occurs. Many
+  // callers can tolerate OOB and does not check the return value.

[Tom Sepez, 2015/10/06 05:58:37]

nit: do not

[Lei Zhang, 2015/10/06 06:01:23]

Done.

   bool decode(CJBig2_ArithDecoder* pArithDecoder, int* nResult);
 
  private: