2 files changed, 8 insertions, 1 deletions
diff --git a/core/fpdfapi/parser/cpdf_stream.cpp b/core/fpdfapi/parser/cpdf_stream.cpp
index 69a87e6d2e..ec12ac5080 100644
--- a/core/fpdfapi/parser/cpdf_stream.cpp
+++ b/core/fpdfapi/parser/cpdf_stream.cpp
@@ -110,6 +110,11 @@ void CPDF_Stream::SetData(const uint8_t* pData, uint32_t size) {
   m_pDict->RemoveFor("DecodeParms");
 }
 
+void CPDF_Stream::SetData(std::ostringstream* stream) {
+  SetData(reinterpret_cast<const uint8_t*>(stream->str().c_str()),
+          stream->tellp());
+}
+
 bool CPDF_Stream::ReadRawData(FX_FILESIZE offset,
                               uint8_t* buf,
                               uint32_t size) const {
diff --git a/core/fpdfapi/parser/cpdf_stream.h b/core/fpdfapi/parser/cpdf_stream.h
index 82cc01aef3..d58f608f72 100644
--- a/core/fpdfapi/parser/cpdf_stream.h
+++ b/core/fpdfapi/parser/cpdf_stream.h
@@ -9,6 +9,7 @@
 
 #include <memory>
 #include <set>
+#include <sstream>
 
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 #include "core/fpdfapi/parser/cpdf_object.h"
@@ -38,8 +39,9 @@ class CPDF_Stream : public CPDF_Object {
   uint32_t GetRawSize() const { return m_dwSize; }
   uint8_t* GetRawData() const { return m_pDataBuf.get(); }
 
-  // Does not takes onwership of |pData|, copies into internally-owned buffer.
+  // Does not takes ownership of |pData|, copies into internally-owned buffer.
   void SetData(const uint8_t* pData, uint32_t size);
+  void SetData(std::ostringstream* stream);
 
   void InitStream(const uint8_t* pData,
                   uint32_t size,