Convert border style defines to an enum class.

core/fpdfdoc/cpvt_generateap.h

Index: core/fpdfdoc/cpvt_generateap.h
diff --git a/core/fpdfdoc/cpvt_generateap.h b/core/fpdfdoc/cpvt_generateap.h
index 924de40ed46a1ff481ebdf890e9e767cb6625013..1258643d3eb7b9ce7253ca6e607bef76e9700850 100644
--- a/core/fpdfdoc/cpvt_generateap.h
+++ b/core/fpdfdoc/cpvt_generateap.h
@@ -10,18 +10,11 @@
 #include "core/fpdfdoc/cpvt_color.h"
 #include "core/fpdfdoc/cpvt_dash.h"
 #include "core/fpdfdoc/include/cpdf_variabletext.h"
+#include "core/fpdfdoc/include/fpdf_doc.h"
 #include "core/fxcrt/include/fx_coordinates.h"
 #include "core/fxcrt/include/fx_string.h"
 #include "core/fxcrt/include/fx_system.h"
 
-// border style
-#define PBS_SOLID 0
-#define PBS_DASH 1
-#define PBS_BEVELED 2
-#define PBS_INSET 3
-#define PBS_UNDERLINED 4
-#define PBS_SHADOW 5
-
 class CPDF_Dictionary;
 class CPDF_Document;
 class IPVT_FontMap;
@@ -48,7 +41,7 @@ class CPVT_GenerateAP {
                                          const CPVT_Color& color,
                                          const CPVT_Color& crLeftTop,
                                          const CPVT_Color& crRightBottom,
-                                         int32_t nStyle,
+                                         BorderStyle nStyle,
                                          const CPVT_Dash& dash);
   static CFX_ByteString GenerateColorAP(const CPVT_Color& color,
                                         const FX_BOOL& bFillOrStroke);