3 files changed, 5 insertions, 7 deletions
diff --git a/core/fpdfdoc/cpdf_filespec.cpp b/core/fpdfdoc/cpdf_filespec.cpp
index 88abea30d5..95254b7bb8 100644
--- a/core/fpdfdoc/cpdf_filespec.cpp
+++ b/core/fpdfdoc/cpdf_filespec.cpp
@@ -138,7 +138,7 @@ const CPDF_Stream* CPDF_FileSpec::GetFileStream() const {
 
   size_t end = pDict->GetStringFor("FS") == "URL" ? 2 : FX_ArraySize(kKeys);
   for (size_t i = 0; i < end; ++i) {
-    const ByteString& key = kKeys[i];
+    ByteString key = kKeys[i];
     if (!pDict->GetUnicodeTextFor(key).IsEmpty()) {
       const CPDF_Stream* pStream = pFiles->GetStreamFor(key);
       if (pStream)
@@ -160,7 +160,7 @@ CPDF_Stream* CPDF_FileSpec::GetFileStream() {
 
   size_t end = pDict->GetStringFor("FS") == "URL" ? 2 : FX_ArraySize(kKeys);
   for (size_t i = 0; i < end; ++i) {
-    const ByteString& key = kKeys[i];
+    ByteString key = kKeys[i];
     if (!pDict->GetUnicodeTextFor(key).IsEmpty()) {
       CPDF_Stream* pStream = pFiles->GetStreamFor(key);
       if (pStream)
diff --git a/core/fpdfdoc/cpdf_interform.cpp b/core/fpdfdoc/cpdf_interform.cpp
index b18310cfde..d7cee35704 100644
--- a/core/fpdfdoc/cpdf_interform.cpp
+++ b/core/fpdfdoc/cpdf_interform.cpp
@@ -379,9 +379,7 @@ class CFieldTree {
     }
 
     CPDF_FormField* GetField() const { return m_pField.get(); }
-
-    const WideString& GetShortName() const { return m_ShortName; }
-
+    WideString GetShortName() const { return m_ShortName; }
     int GetLevel() const { return m_level; }
 
    private:
diff --git a/core/fpdfdoc/cpdf_structelement.h b/core/fpdfdoc/cpdf_structelement.h
index 4e590cb879..79e8dd92c8 100644
--- a/core/fpdfdoc/cpdf_structelement.h
+++ b/core/fpdfdoc/cpdf_structelement.h
@@ -39,8 +39,8 @@ class CPDF_StructElement : public Retainable {
   template <typename T, typename... Args>
   friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
 
-  const ByteString& GetType() const { return m_Type; }
-  const ByteString& GetTitle() const { return m_Title; }
+  ByteString GetType() const { return m_Type; }
+  ByteString GetTitle() const { return m_Title; }
   const CPDF_Dictionary* GetDict() const { return m_pDict.Get(); }
 
   size_t CountKids() const;