2 files changed, 3 insertions, 2 deletions
diff --git a/core/fpdfdoc/cpdf_annot.cpp b/core/fpdfdoc/cpdf_annot.cpp
index 42bda6e319..ef803c428d 100644
--- a/core/fpdfdoc/cpdf_annot.cpp
+++ b/core/fpdfdoc/cpdf_annot.cpp
@@ -229,7 +229,7 @@ CFX_FloatRect CPDF_Annot::RectFromQuadPointsArray(const CPDF_Array* pArray,
 
 // static
 CFX_FloatRect CPDF_Annot::BoundingRectFromQuadPoints(
-    CPDF_Dictionary* pAnnotDict) {
+    const CPDF_Dictionary* pAnnotDict) {
   CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
   if (!pArray)
     return CFX_FloatRect();
diff --git a/core/fpdfdoc/cpdf_annot.h b/core/fpdfdoc/cpdf_annot.h
index 3f1164ad18..b2875949a3 100644
--- a/core/fpdfdoc/cpdf_annot.h
+++ b/core/fpdfdoc/cpdf_annot.h
@@ -69,7 +69,8 @@ class CPDF_Annot {
   static ByteString AnnotSubtypeToString(CPDF_Annot::Subtype nSubtype);
   static CFX_FloatRect RectFromQuadPointsArray(const CPDF_Array* pArray,
                                                size_t nIndex);
-  static CFX_FloatRect BoundingRectFromQuadPoints(CPDF_Dictionary* pAnnotDict);
+  static CFX_FloatRect BoundingRectFromQuadPoints(
+      const CPDF_Dictionary* pAnnotDict);
   static CFX_FloatRect RectFromQuadPoints(CPDF_Dictionary* pAnnotDict,
                                           size_t nIndex);
   static size_t QuadPointCount(const CPDF_Array* pArray);