Merge to XFA: Declare PDF_GetStandardFontName() in the header.

core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp

Index: core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
index d0be5ec1f446fc4cb44fb3a3cd28c15cf74d7260..95eac538bb34e1ca645ae1cdf3d74a8a9ef08947 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
@@ -1106,15 +1106,15 @@ CPDF_Dictionary* CPDF_Document::CreateNewPage(int iPage) {
   }
   return pDict;
 }
-int _PDF_GetStandardFontName(CFX_ByteString& name);
+
 CPDF_Font* CPDF_Document::AddStandardFont(const FX_CHAR* font,
                                           CPDF_FontEncoding* pEncoding) {
   CFX_ByteString name(font, -1);
-  if (_PDF_GetStandardFontName(name) < 0) {
-    return NULL;
-  }
+  if (PDF_GetStandardFontName(&name) < 0)
+    return nullptr;
   return GetPageData()->GetStandardFont(name, pEncoding);
 }
+
 void CPDF_Document::DeletePage(int iPage) {
   CPDF_Dictionary* pRoot = GetRoot();
   if (pRoot == NULL) {