Mark numerious pointers as const.

They are mostly CPDF_Object* and derived classes, but others that should
be are marked const as well.

Change-Id: Ib3344d7d8db90940df8edc97c0dd6c59da080541
Reviewed-on: https://pdfium-review.googlesource.com/32180
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/core/fpdfapi/page/cpdf_expintfunc.cpp b/core/fpdfapi/page/cpdf_expintfunc.cpp
index 0b3dc24033..ac17b282a9 100644
--- a/core/fpdfapi/page/cpdf_expintfunc.cpp
+++ b/core/fpdfapi/page/cpdf_expintfunc.cpp
@@ -19,14 +19,14 @@ CPDF_ExpIntFunc::~CPDF_ExpIntFunc() {
   FX_Free(m_pEndValues);
 }
 
-bool CPDF_ExpIntFunc::v_Init(CPDF_Object* pObj,
-                             std::set<CPDF_Object*>* pVisited) {
-  CPDF_Dictionary* pDict = pObj->GetDict();
+bool CPDF_ExpIntFunc::v_Init(const CPDF_Object* pObj,
+                             std::set<const CPDF_Object*>* pVisited) {
+  const CPDF_Dictionary* pDict = pObj->GetDict();
   if (!pDict)
     return false;
 
   {
-    CPDF_Number* pExponent = ToNumber(pDict->GetObjectFor("N"));
+    const CPDF_Number* pExponent = ToNumber(pDict->GetObjectFor("N"));
     if (!pExponent)
       return false;