Add some more consts to unowned pointers.

Ideally, unowned ptrs might well be const, as updating something
through an unowned reference is best avoided.

Change-Id: Ida8111ffe0ee1e30bbf6b7718b0929dfb5cafdff
Reviewed-on: https://pdfium-review.googlesource.com/36050
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

2 files changed, 5 insertions, 5 deletions

diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp
index 854d6e7f60..3a7afd0b49 100644
--- a/core/fpdfapi/parser/cpdf_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_parser.cpp
@@ -1135,11 +1135,11 @@ std::unique_ptr<CPDF_Dictionary> CPDF_Parser::GetCombinedTrailer() const {
   return m_TrailerData->GetCombinedTrailer();
 }
 
-uint32_t CPDF_Parser::GetInfoObjNum() {
+uint32_t CPDF_Parser::GetInfoObjNum() const {
   return m_TrailerData->GetInfoObjNum();
 }
 
-uint32_t CPDF_Parser::GetRootObjNum() {
+uint32_t CPDF_Parser::GetRootObjNum() const {
   return m_TrailerData->GetRootObjNum();
 }
 
diff --git a/core/fpdfapi/parser/cpdf_parser.h b/core/fpdfapi/parser/cpdf_parser.h
index b74f1d52ab..3151da61c9 100644
--- a/core/fpdfapi/parser/cpdf_parser.h
+++ b/core/fpdfapi/parser/cpdf_parser.h
@@ -57,7 +57,7 @@ class CPDF_Parser {
                              CPDF_Document* pDocument);
 
   void SetPassword(const char* password) { m_Password = password; }
-  ByteString GetPassword() { return m_Password; }
+  ByteString GetPassword() const { return m_Password; }
 
   CPDF_Dictionary* GetTrailer() const;
 
@@ -68,8 +68,8 @@ class CPDF_Parser {
   FX_FILESIZE GetLastXRefOffset() const { return m_LastXRefOffset; }
 
   uint32_t GetPermissions() const;
-  uint32_t GetRootObjNum();
-  uint32_t GetInfoObjNum();
+  uint32_t GetRootObjNum() const;
+  uint32_t GetInfoObjNum() const;
   const CPDF_Array* GetIDArray() const;
 
   CPDF_Dictionary* GetEncryptDict() const { return m_pEncryptDict.Get(); }