Cleanup: Fix some unused-function warnings.

core/src/fxge/ge/fx_ge_fontmap.cpp

 // 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
 
 #include "../../../include/fxge/fx_ge.h"
 #include "../../../include/fxge/fx_freetype.h"
 #include "text_int.h"
 #define GET_TT_SHORT(w)  (FX_WORD)(((w)[0] << 8) | (w)[1])
@@ skipping 730 matching lines @@
         return 1 << 20;
     }
     if (charset == FXFONT_HANGEUL_CHARSET) {
         return 1 << 19;
     }
     if (charset == FXFONT_SYMBOL_CHARSET) {
         return 1 << 31;
     }
     return 1 << 21;
 }
-static int CP2CharSet(int cp)
-{
-    if(cp == 932) {
-        return FXFONT_SHIFTJIS_CHARSET;
-    } else if(cp == 936) {
-        return FXFONT_GB2312_CHARSET;
-    } else if(cp == 949) {
-        return FXFONT_HANGEUL_CHARSET;
-    } else if(cp == 950) {
-        return FXFONT_CHINESEBIG5_CHARSET;
-    }
-    return FXFONT_DEFAULT_CHARSET;
-}
 FXFT_Face CFX_FontMapper::UseInternalSubst(CFX_SubstFont* pSubstFont, int iBaseFont, int italic_angle, int weight, int picthfamily)
 {
     if (iBaseFont < 12) {
         if (m_FoxitFaces[iBaseFont]) {
             return m_FoxitFaces[iBaseFont];
         }
         FX_LPCBYTE pFontData = NULL;
         FX_DWORD size = 0;
         if (m_pFontMgr->GetStandardFont(pFontData, size, iBaseFont)) {
             m_FoxitFaces[iBaseFont] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
@@ skipping 765 matching lines @@
         return FALSE;
     }
     CFontFaceInfo* pFont = (CFontFaceInfo*)hFont;
     name = pFont->m_FaceName;
     return TRUE;
 }
 FX_BOOL CFX_FolderFontInfo::GetFontCharset(void* hFont, int& charset)
 {
     return FALSE;
 }