2 files changed, 7 insertions, 6 deletions
diff --git a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
index 2907ebe71c..20ae34349b 100644
--- a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
+++ b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
@@ -47,11 +47,11 @@ void CPDF_PageContentGenerator::GenerateContent() {
     ProcessImage(buf, pPageObj->AsImage());
   }
   CPDF_Object* pContent =
-      pPageDict ? pPageDict->GetDirectObjectBy("Contents") : NULL;
+      pPageDict ? pPageDict->GetDirectObjectBy("Contents") : nullptr;
   if (pContent) {
     pPageDict->RemoveAt("Contents");
   }
-  CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
+  CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, nullptr);
   pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
   m_pDocument->AddIndirectObject(pStream);
   pPageDict->SetAtReference("Contents", m_pDocument, pStream->GetObjNum());
@@ -108,7 +108,7 @@ void CPDF_PageContentGenerator::ProcessForm(CFX_ByteTextBuf& buf,
   if (!data || !size) {
     return;
   }
-  CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
+  CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, nullptr);
   CPDF_Dictionary* pFormDict = new CPDF_Dictionary;
   pFormDict->SetAtName("Type", "XObject");
   pFormDict->SetAtName("Subtype", "Form");
@@ -122,7 +122,8 @@ void CPDF_PageContentGenerator::ProcessForm(CFX_ByteTextBuf& buf,
 }
 void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) {
   CPDF_Dictionary* pDict = m_pPage->m_pFormDict;
-  CPDF_Object* pContent = pDict ? pDict->GetDirectObjectBy("Contents") : NULL;
+  CPDF_Object* pContent =
+      pDict ? pDict->GetDirectObjectBy("Contents") : nullptr;
   if (!pContent)
     return;
 
@@ -159,7 +160,7 @@ void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) {
     contentStream.LoadAllData(pStream);
     ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix);
   }
-  CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
+  CPDF_Stream* pStream = new CPDF_Stream(nullptr, 0, nullptr);
   pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
   m_pDocument->AddIndirectObject(pStream);
   m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument,
diff --git a/core/fpdfapi/fpdf_edit/include/cpdf_creator.h b/core/fpdfapi/fpdf_edit/include/cpdf_creator.h
index 8782c54f86..285efff4b0 100644
--- a/core/fpdfapi/fpdf_edit/include/cpdf_creator.h
+++ b/core/fpdfapi/fpdf_edit/include/cpdf_creator.h
@@ -33,7 +33,7 @@ class CPDF_Creator {
 
   void RemoveSecurity();
   bool Create(IFX_StreamWrite* pFile, uint32_t flags = 0);
-  int32_t Continue(IFX_Pause* pPause = NULL);
+  int32_t Continue(IFX_Pause* pPause = nullptr);
   FX_BOOL SetFileVersion(int32_t fileVersion = 17);
 
  private: