Remove a few unused variables, functions, and tables.

core/src/fpdfdoc/doc_ap.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/fpdfdoc/fpdf_doc.h"
 #include "../../include/fpdfdoc/fpdf_vt.h"
 #include "pdf_vt.h"
 #include "../../include/fpdfdoc/fpdf_ap.h"
@@ skipping 288 matching lines @@
         pFontDict->SetAtName(FX_BSTRC("Subtype"), "Type1");
         pFontDict->SetAtName(FX_BSTRC("BaseFont"), "Helvetica");
         pFontDict->SetAtName(FX_BSTRC("Encoding"), "WinAnsiEncoding");
         pDoc->AddIndirectObject(pFontDict);
         pDRFontDict->SetAtReference(sFontName.Mid(1), pDoc, pFontDict);
     }
     CPDF_Font* pDefFont = pDoc->LoadFont(pFontDict);
     if (!pDefFont) {
         return FALSE;
     }
-    CFX_CharMap* pCharMap = pDefFont->GetCharMap();
     CPDF_Rect rcAnnot = pAnnotDict->GetRect("Rect");
     FX_INT32 nRotate = 0;
     if (CPDF_Dictionary * pMKDict = pAnnotDict->GetDict("MK")) {
         nRotate = pMKDict->GetInteger("R");
     }
     CPDF_Rect rcBBox;
     CPDF_Matrix matrix;
     switch (nRotate % 360) {
         case 0:
             rcBBox = CPDF_Rect(0, 0, rcAnnot.right - rcAnnot.left, rcAnnot.top - rcAnnot.bottom);
@@ skipping 479 matching lines @@
         case CT_GRAY:
             sColorStream << color.fColor1 << " " << (bFillOrStroke ? "g" : "G") << "\n";
             break;
         case CT_CMYK:
             sColorStream << color.fColor1 << " " << color.fColor2 << " " << color.fColor3 << " " << color.fColor4 << " "
                          << (bFillOrStroke ? "k" : "K") << "\n";
             break;
     }
     return sColorStream.GetByteString();
 }