Reduce size of several PDFium constant tables.

xfa/fxbarcode/pdf417/BC_PDF417Common.cpp

Index: xfa/fxbarcode/pdf417/BC_PDF417Common.cpp
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417Common.cpp b/xfa/fxbarcode/pdf417/BC_PDF417Common.cpp
index fa4647db846eb3af8ea6f6200028d9a0486aacc8..92c641d1bde964cb83142aaa526c5ec5feab2722 100644
--- a/xfa/fxbarcode/pdf417/BC_PDF417Common.cpp
+++ b/xfa/fxbarcode/pdf417/BC_PDF417Common.cpp
@@ -22,16 +22,9 @@
 
 #include "xfa/fxbarcode/pdf417/BC_PDF417Common.h"
 
-int32_t CBC_PDF417Common::NUMBER_OF_CODEWORDS = 929;
-int32_t CBC_PDF417Common::MAX_CODEWORDS_IN_BARCODE = NUMBER_OF_CODEWORDS - 1;
-int32_t CBC_PDF417Common::MIN_ROWS_IN_BARCODE = 3;
-int32_t CBC_PDF417Common::MAX_ROWS_IN_BARCODE = 90;
-int32_t CBC_PDF417Common::MAX_CODEWORDS_IN_ROW = 32;
-int32_t CBC_PDF417Common::MODULES_IN_CODEWORD = 17;
-int32_t CBC_PDF417Common::MODULES_IN_STOP_PATTERN = 18;
-int32_t CBC_PDF417Common::BARS_IN_MODULE = 8;
-CFX_Int32Array* CBC_PDF417Common::EMPTY_INT_ARRAY = NULL;
-int32_t CBC_PDF417Common::SYMBOL_TABLE[] = {
+CFX_Int32Array* CBC_PDF417Common::EMPTY_INT_ARRAY = nullptr;
+
+const int32_t CBC_PDF417Common::SYMBOL_TABLE[] = {
     0x1025e, 0x1027a, 0x1029e, 0x102bc, 0x102f2, 0x102f4, 0x1032e, 0x1034e,
     0x1035c, 0x10396, 0x103a6, 0x103ac, 0x10422, 0x10428, 0x10436, 0x10442,
     0x10444, 0x10448, 0x10450, 0x1045e, 0x10466, 0x1046c, 0x1047a, 0x10482,
@@ -381,7 +374,8 @@ int32_t CBC_PDF417Common::SYMBOL_TABLE[] = {
     0x1faec, 0x1fb16, 0x1fb26, 0x1fb2c, 0x1fb3a, 0x1fb46, 0x1fb4c, 0x1fb58,
     0x1fb6e, 0x1fb72, 0x1fb74, 0x1fb8a, 0x1fb92, 0x1fb94, 0x1fba2, 0x1fba4,
     0x1fba8, 0x1fbb6, 0x1fbda};
-int32_t CBC_PDF417Common::CODEWORD_TABLE[] = {
+
+const uint16_t CBC_PDF417Common::CODEWORD_TABLE[] = {
     2627, 1819, 2622, 2621, 1813, 1812, 2729, 2724, 2723, 2779, 2774, 2773,
     902,  896,  908,  868,  865,  861,  859,  2511, 873,  871,  1780, 835,
     2493, 825,  2491, 842,  837,  844,  1764, 1762, 811,  810,  809,  2483,