Land all the fixes from 5609f39c but don't enable assert

core/fpdfapi/parser/cpdf_stream.cpp

Index: core/fpdfapi/parser/cpdf_stream.cpp
diff --git a/core/fpdfapi/parser/cpdf_stream.cpp b/core/fpdfapi/parser/cpdf_stream.cpp
index c221edec68624a9b86a6a9c4e3b7ee2eb89e0603..935c80c5c890d36d37a626a5e41a65a9efa7d7c1 100644
--- a/core/fpdfapi/parser/cpdf_stream.cpp
+++ b/core/fpdfapi/parser/cpdf_stream.cpp
@@ -17,7 +17,11 @@ CPDF_Stream::CPDF_Stream() {}
 CPDF_Stream::CPDF_Stream(uint8_t* pData, uint32_t size, CPDF_Dictionary* pDict)
     : m_pDict(pDict), m_dwSize(size), m_pDataBuf(pData) {}
 
-CPDF_Stream::~CPDF_Stream() {}
+CPDF_Stream::~CPDF_Stream() {
+  m_ObjNum = kInvalidObjNum;
+  if (m_pDict && m_pDict->GetObjNum() == kInvalidObjNum)
+    m_pDict.release();  // lowercase release, release ownership.
+}
 
 CPDF_Object::Type CPDF_Stream::GetType() const {
   return STREAM;