Simplify PDFium by removing code that's not used in the open source repo.

fpdfsdk/src/pdfwindow/PWL_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/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_FontMap.h"
 
@@ skipping 294 matching lines @@
 
         if (!pNewFont) return -1;
 
         /*
         if (CPDF_Font* pFont = GetPDFFont(nFind))
         {
                 PWLFont.AddWordToFontDict(pFontDict, word);
         }
         */
 
-#ifdef FOXIT_CHROME_BUILD
-  CFX_ByteString sAlias = EncodeFontAlias("Arial_Chrome", nCharset);
-#else
-        CFX_ByteString sAlias = EncodeFontAlias("Arial_Foxit", nCharset);
-#endif
+        CFX_ByteString sAlias = EncodeFontAlias("Arial_Chrome", nCharset);
         AddedFont(pNewFont, sAlias);
 
         return AddFontData(pNewFont, sAlias, nCharset);
 }
 
 CPDF_Font* CPWL_FontMap::FindFontSameCharset(CFX_ByteString& sFontAlias, FX_INT32 nCharset)
 {
         return NULL;
 }
 
@@ skipping 266 matching lines @@
 }
 
 CPWL_DocFontMap::~CPWL_DocFontMap()
 {
 }
 
 CPDF_Document* CPWL_DocFontMap::GetDocument()
 {
         return m_pAttachedDoc;
 }