Make a few more const tables smaller.

xfa/fgas/layout/fgas_linebreak.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FGAS_LAYOUT_FGAS_LINEBREAK_H_
 #define XFA_FGAS_LAYOUT_FGAS_LINEBREAK_H_
 
 #include "core/include/fxcrt/fx_system.h"
 #include "xfa/fgas/crt/fgas_utils.h"
 
-enum FX_LINEBREAKTYPE {
+enum FX_LINEBREAKTYPE : uint8_t {
   FX_LBT_UNKNOWN = 0x00,
   FX_LBT_DIRECT_BRK = 0x1A,
   FX_LBT_INDIRECT_BRK = 0x2B,
   FX_LBT_COM_INDIRECT_BRK = 0x3C,
   FX_LBT_COM_PROHIBITED_BRK = 0x4D,
   FX_LBT_PROHIBITED_BRK = 0x5E,
   FX_LBT_HANGUL_SPACE_BRK = 0x6F,
 };
 
 #define FX_LBUN FX_LBT_UNKNOWN
 #define FX_LBDB FX_LBT_DIRECT_BRK
 #define FX_LBIB FX_LBT_INDIRECT_BRK
 #define FX_LBCB FX_LBT_COM_INDIRECT_BRK
 #define FX_LBCP FX_LBT_COM_PROHIBITED_BRK
 #define FX_LBPB FX_LBT_PROHIBITED_BRK
 #define FX_LBHS FX_LBT_HANGUL_SPACE_BRK
 
 extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
 
 void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
                               FX_LINEBREAKTYPE* pBrkType,
                               int32_t iLength);
 void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
                               int32_t iLength,
                               CFX_Int32MassArray& bp);
 
 #endif  // XFA_FGAS_LAYOUT_FGAS_LINEBREAK_H_