Make CPDF_Object subclass constructors intern strings

core/fpdfdoc/cpdf_interform.cpp

Index: core/fpdfdoc/cpdf_interform.cpp
diff --git a/core/fpdfdoc/cpdf_interform.cpp b/core/fpdfdoc/cpdf_interform.cpp
index c991598a2228faaf800081cfcb2835153b2bf9a5..f541d7087c7f836067677213dbd1c285d13d37b0 100644
--- a/core/fpdfdoc/cpdf_interform.cpp
+++ b/core/fpdfdoc/cpdf_interform.cpp
@@ -59,8 +59,7 @@ void InitDict(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument) {
     return;
 
   if (!pFormDict) {
-    pFormDict =
-        pDocument->NewIndirect<CPDF_Dictionary>(pDocument->GetByteStringPool());
+    pFormDict = pDocument->NewIndirect<CPDF_Dictionary>();
     pDocument->GetRoot()->SetReferenceFor("AcroForm", pDocument,
                                           pFormDict->GetObjNum());
   }