Unify some code

core/fpdfapi/parser/cpdf_document.h

Index: core/fpdfapi/parser/cpdf_document.h
diff --git a/core/fpdfapi/parser/cpdf_document.h b/core/fpdfapi/parser/cpdf_document.h
index ea7bd328aa4302dc28261cada6babc634d505a9a..7cd45760f984e56b2d71b9692f19207bea9aacff 100644
--- a/core/fpdfapi/parser/cpdf_document.h
+++ b/core/fpdfapi/parser/cpdf_document.h
@@ -26,6 +26,7 @@ class CPDF_Font;
 class CPDF_FontEncoding;
 class CPDF_IccProfile;
 class CPDF_Image;
+class CPDF_Linearized;
 class CPDF_Parser;
 class CPDF_Pattern;
 class CPDF_StreamAcc;
@@ -85,7 +86,7 @@ class CPDF_Document : public CPDF_IndirectObjectHolder {
   CPDF_IccProfile* LoadIccProfile(CPDF_Stream* pStream);
 
   void LoadDoc();
-  void LoadLinearizedDoc(CPDF_Dictionary* pLinearizationParams);
+  void LoadLinearizedDoc(const CPDF_Linearized* pLinearizationParams);
   void LoadPages();
 
   void CreateNewDoc();