Remove default level from FPDF_GetFieldAttr().

Make call into internal helper function.
Write helper function so as to be obviously tail-recursive,
and remove redundant null check.

Change-Id: If29f9be66b07239b35de9ac9241d5ef72365889b
Reviewed-on: https://pdfium-review.googlesource.com/40130
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/core/fpdfdoc/cpdf_formfield.h b/core/fpdfdoc/cpdf_formfield.h
index b6a4ed82a9..6f0006506f 100644
--- a/core/fpdfdoc/cpdf_formfield.h
+++ b/core/fpdfdoc/cpdf_formfield.h
@@ -80,11 +80,8 @@ class CPDF_InterForm;
 class CPDF_String;
 
 const CPDF_Object* FPDF_GetFieldAttr(const CPDF_Dictionary* pFieldDict,
-                                     const char* name,
-                                     int nLevel = 0);
-CPDF_Object* FPDF_GetFieldAttr(CPDF_Dictionary* pFieldDict,
-                               const char* name,
-                               int nLevel = 0);
+                                     const char* name);
+CPDF_Object* FPDF_GetFieldAttr(CPDF_Dictionary* pFieldDict, const char* name);
 
 WideString FPDF_GetFullName(CPDF_Dictionary* pFieldDict);