2 files changed, 3 insertions, 5 deletions
diff --git a/core/fpdfdoc/cpdf_interactiveform.cpp b/core/fpdfdoc/cpdf_interactiveform.cpp
index 754737c454..403344c0ff 100644
--- a/core/fpdfdoc/cpdf_interactiveform.cpp
+++ b/core/fpdfdoc/cpdf_interactiveform.cpp
@@ -827,10 +827,8 @@ void CPDF_InteractiveForm::ResetForm(NotificationOption notify) {
 }
 
 const std::vector<UnownedPtr<CPDF_FormControl>>&
-CPDF_InteractiveForm::GetControlsForField(const CPDF_FormField* pField) const {
-  const auto& it = m_ControlLists.find(pField);
-  ASSERT(it != m_ControlLists.end());
-  return it->second;
+CPDF_InteractiveForm::GetControlsForField(const CPDF_FormField* pField) {
+  return m_ControlLists[pField];
 }
 
 void CPDF_InteractiveForm::LoadField(CPDF_Dictionary* pFieldDict, int nLevel) {
diff --git a/core/fpdfdoc/cpdf_interactiveform.h b/core/fpdfdoc/cpdf_interactiveform.h
index 7a89320692..49335e99c0 100644
--- a/core/fpdfdoc/cpdf_interactiveform.h
+++ b/core/fpdfdoc/cpdf_interactiveform.h
@@ -92,7 +92,7 @@ class CPDF_InteractiveForm {
   CPDF_Dictionary* GetFormDict() const { return m_pFormDict.Get(); }
 
   const std::vector<UnownedPtr<CPDF_FormControl>>& GetControlsForField(
-      const CPDF_FormField* pField) const;
+      const CPDF_FormField* pField);
 
  private:
   void LoadField(CPDF_Dictionary* pFieldDict, int nLevel);