Fix and enable lint checks.

core/src/fpdfapi/fpdf_font/fpdf_font_cid.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 "core/src/fpdfapi/fpdf_font/font_int.h"
 
 #include "core/include/fpdfapi/fpdf_module.h"
 #include "core/include/fpdfapi/fpdf_page.h"
@@ skipping 1527 matching lines @@
         return charcode == 0 ? -1 : (int)charcode;
       }
       if (index == 0 || index == 0xffff) {
         return charcode == 0 ? -1 : (int)charcode;
       }
       return index;
     }
     if (m_Charset == CIDSET_JAPAN1) {
       if (unicode == '\\') {
         unicode = '/';
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+      } else if (unicode == 0xa5) {
+        unicode = 0x5c;
+#endif
       }
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
-      else if (unicode == 0xa5) {
-        unicode = 0x5c;
-      }
-#endif
     }
     if (!face)
       return unicode;
 
     int err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE);
     if (err != 0) {
       int i;
       for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) {
         FX_DWORD ret = FT_CharCodeFromUnicode(
             FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]),
@@ skipping 167 matching lines @@
 
 const uint8_t* CPDF_CIDFont::GetCIDTransform(FX_WORD CID) const {
   if (m_Charset != CIDSET_JAPAN1 || m_pFontFile)
     return nullptr;
 
   const struct CIDTransform* found = (const struct CIDTransform*)FXSYS_bsearch(
       &CID, g_Japan1_VertCIDs, FX_ArraySize(g_Japan1_VertCIDs),
       sizeof(g_Japan1_VertCIDs[0]), CompareCIDTransform);
   return found ? &found->a : nullptr;
 }