RefCount CPDF_StreamAcc all the time.

Pass stream argument to constructor; it feels like a
stream accessor should always be made from a stream rather
than passing one in after the fact.

Change-Id: Iaa46cb37677b81f0170f5d39bab76ad38ea4af44
Reviewed-on: https://pdfium-review.googlesource.com/3620
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/core/fpdfapi/page/cpdf_meshstream.h b/core/fpdfapi/page/cpdf_meshstream.h
index e58e354b35..e02c3bb4e8 100644
--- a/core/fpdfapi/page/cpdf_meshstream.h
+++ b/core/fpdfapi/page/cpdf_meshstream.h
@@ -39,6 +39,7 @@ class CPDF_MeshStream {
                   const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
                   CPDF_Stream* pShadingStream,
                   CPDF_ColorSpace* pCS);
+  ~CPDF_MeshStream();
 
   bool Load();
 
@@ -80,7 +81,7 @@ class CPDF_MeshStream {
   float m_ymax;
   float m_ColorMin[kMaxComponents];
   float m_ColorMax[kMaxComponents];
-  CPDF_StreamAcc m_Stream;
+  CFX_RetainPtr<CPDF_StreamAcc> m_pStream;
   CFX_BitStream m_BitStream;
 };