Mark more CPDF_Objects as const in action and bookmark code.

Change-Id: Ib5f4cdb9c7f9c33561028a85029649ba68f4a6e5
Reviewed-on: https://pdfium-review.googlesource.com/32912
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>

1 files changed, 6 insertions, 5 deletions

diff --git a/core/fpdfdoc/cpdf_annot.cpp b/core/fpdfdoc/cpdf_annot.cpp
index dc2e8acfdf..5734e192e3 100644
--- a/core/fpdfdoc/cpdf_annot.cpp
+++ b/core/fpdfdoc/cpdf_annot.cpp
@@ -64,7 +64,7 @@ CPDF_Form* AnnotGetMatrix(const CPDF_Page* pPage,
 CPDF_Stream* FPDFDOC_GetAnnotAPInternal(const CPDF_Dictionary* pAnnotDict,
                                         CPDF_Annot::AppearanceMode eMode,
                                         bool bFallbackToNormal) {
-  CPDF_Dictionary* pAP = pAnnotDict->GetDictFor("AP");
+  const CPDF_Dictionary* pAP = pAnnotDict->GetDictFor("AP");
   if (!pAP)
     return nullptr;
 
@@ -90,7 +90,7 @@ CPDF_Stream* FPDFDOC_GetAnnotAPInternal(const CPDF_Dictionary* pAnnotDict,
   if (as.IsEmpty()) {
     ByteString value = pAnnotDict->GetStringFor("V");
     if (value.IsEmpty()) {
-      CPDF_Dictionary* pParentDict = pAnnotDict->GetDictFor("Parent");
+      const CPDF_Dictionary* pParentDict = pAnnotDict->GetDictFor("Parent");
       value = pParentDict ? pParentDict->GetStringFor("V") : ByteString();
     }
     as = (!value.IsEmpty() && pDict->KeyExist(value)) ? value : "Off";
@@ -230,11 +230,12 @@ CFX_FloatRect CPDF_Annot::RectFromQuadPointsArray(const CPDF_Array* pArray,
 // static
 CFX_FloatRect CPDF_Annot::BoundingRectFromQuadPoints(
     const CPDF_Dictionary* pAnnotDict) {
-  CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
+  CFX_FloatRect ret;
+  const CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
   if (!pArray)
-    return CFX_FloatRect();
+    return ret;
 
-  CFX_FloatRect ret = RectFromQuadPointsArray(pArray, 0);
+  ret = RectFromQuadPointsArray(pArray, 0);
   size_t nQuadPointCount = QuadPointCount(pArray);
   for (size_t i = 1; i < nQuadPointCount; ++i) {
     CFX_FloatRect rect = RectFromQuadPointsArray(pArray, i);