Use string pools in some dictionaries

fpdfsdk/formfiller/cba_fontmap.cpp

Index: fpdfsdk/formfiller/cba_fontmap.cpp
diff --git a/fpdfsdk/formfiller/cba_fontmap.cpp b/fpdfsdk/formfiller/cba_fontmap.cpp
index 8a981690f1cf637fa35404648f01e916ae2aba78..39501f3e23eb1ce36f30614b4084b7cd68b42fb9 100644
--- a/fpdfsdk/formfiller/cba_fontmap.cpp
+++ b/fpdfsdk/formfiller/cba_fontmap.cpp
@@ -154,9 +154,8 @@ void CBA_FontMap::AddFontToAnnotDict(CPDF_Font* pFont,
     return;
 
   CPDF_Dictionary* pAPDict = m_pAnnotDict->GetDictFor("AP");
-
   if (!pAPDict) {
-    pAPDict = new CPDF_Dictionary;
+    pAPDict = new CPDF_Dictionary(m_pDocument->GetByteStringPool());
     m_pAnnotDict->SetFor("AP", pAPDict);
   }
 
@@ -173,23 +172,23 @@ void CBA_FontMap::AddFontToAnnotDict(CPDF_Font* pFont,
   }
 
   CPDF_Dictionary* pStreamDict = pStream->GetDict();
-
   if (!pStreamDict) {
-    pStreamDict = new CPDF_Dictionary;
+    pStreamDict = new CPDF_Dictionary(m_pDocument->GetByteStringPool());
     pStream->InitStream(nullptr, 0, pStreamDict);
   }
 
   if (pStreamDict) {
     CPDF_Dictionary* pStreamResList = pStreamDict->GetDictFor("Resources");
     if (!pStreamResList) {
-      pStreamResList = new CPDF_Dictionary();
+      pStreamResList = new CPDF_Dictionary(m_pDocument->GetByteStringPool());
       pStreamDict->SetFor("Resources", pStreamResList);
     }
 
     if (pStreamResList) {
       CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDictFor("Font");
       if (!pStreamResFontList) {
-        pStreamResFontList = new CPDF_Dictionary;
+        pStreamResFontList =
+            new CPDF_Dictionary(m_pDocument->GetByteStringPool());
         int32_t objnum = m_pDocument->AddIndirectObject(pStreamResFontList);
         pStreamResList->SetReferenceFor("Font", m_pDocument, objnum);
       }