Merge to XFA: Remove dead code found by Scythe.

core/include/fxge/fx_ge.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 CORE_INCLUDE_FXGE_FX_GE_H_
 #define CORE_INCLUDE_FXGE_FX_GE_H_
 
 #include "fx_dib.h"
@@ skipping 115 matching lines @@
 protected:
 
     ClipType            m_Type;
 
     FX_RECT                     m_Box;
 
     CFX_DIBitmapRef     m_Mask;
 
     void                        IntersectMaskRect(FX_RECT rect, FX_RECT mask_box, CFX_DIBitmapRef Mask);
 };
-extern const uint8_t g_GammaRamp[256];
-extern const uint8_t g_GammaInverse[256];
 #define FX_GAMMA(value)                 (value)
 #define FX_GAMMA_INVERSE(value) (value)
 inline FX_ARGB ArgbGamma(FX_ARGB argb)
 {
     return argb;
 }
 inline FX_ARGB ArgbGammaInverse(FX_ARGB argb)
 {
     return argb;
 }
@@ skipping 575 matching lines @@
     void                        SetGraphState(const CFX_GraphStateData* pGraphState);
 
     void                        SetColor(FX_DWORD color, int alpha_flag, void* pIccTransform);
 
     void                        FindPSFontGlyph(CFX_FaceCache* pFaceCache, CFX_Font* pFont, const FXTEXT_CHARPOS& charpos, int& ps_fontnum, int &ps_glyphindex);
 
     void                        WritePSBinary(const uint8_t* data, int len);
 };
 
 #endif  // CORE_INCLUDE_FXGE_FX_GE_H_