[XFA] Force destruction order of font managers.

xfa/fgas/font/fgas_stdfontmgr.cpp

 // Copyright 2015 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 "xfa/fgas/font/fgas_stdfontmgr.h"
 
 #include "core/fxcrt/include/fx_stream.h"
 #include "core/fxge/include/cfx_fontmapper.h"
@@ skipping 1138 matching lines @@
           pFonts->SetAt(i, nullptr);
         }
       }
     } else {
       m_Hash2Fonts.RemoveKey(dwHash);
     }
   }
 }
 
 void CFGAS_FontMgrImp::RegisterFace(FXFT_Face pFace,
-                                    CFX_FontDescriptors& Fonts,
                                     const CFX_WideString* pFaceName) {
   if ((pFace->face_flags & FT_FACE_FLAG_SCALABLE) == 0)
     return;
 
   std::unique_ptr<CFX_FontDescriptor> pFont(new CFX_FontDescriptor);
   pFont->m_dwFontStyles |= FXFT_Is_Face_Bold(pFace) ? FX_FONTSTYLE_Bold : 0;
   pFont->m_dwFontStyles |= FXFT_Is_Face_Italic(pFace) ? FX_FONTSTYLE_Italic : 0;
   pFont->m_dwFontStyles |= GetFlags(pFace);
 
   std::vector<uint16_t> charsets = GetCharsets(pFace);
@@ skipping 11 matching lines @@
       table.clear();
   }
   GetNames(table.empty() ? nullptr : table.data(), pFont->m_wsFamilyNames);
 
   pFont->m_wsFamilyNames.Add(CFX_ByteString(pFace->family_name).UTF8Decode());
   pFont->m_wsFaceName =
       pFaceName ? *pFaceName
                 : CFX_WideString::FromLocal(FXFT_Get_Postscript_Name(pFace));
   pFont->m_nFaceIndex = pFace->face_index;
 
-  Fonts.Add(pFont.release());
+  m_InstalledFonts.Add(pFont.release());
 }
 
 void CFGAS_FontMgrImp::RegisterFaces(IFX_FileRead* pFontStream,
                                      const CFX_WideString* pFaceName) {
   int32_t index = 0;
   int32_t num_faces = 0;
   do {
     FXFT_Face pFace = LoadFace(pFontStream, index++);
     if (!pFace)
       continue;
     // All faces keep number of faces. It can be retrieved from any one face.
     if (num_faces == 0)
       num_faces = pFace->num_faces;
-    RegisterFace(pFace, m_InstalledFonts, pFaceName);
+    RegisterFace(pFace, pFaceName);
     if (FXFT_Get_Face_External_Stream(pFace))
       FXFT_Clear_Face_External_Stream(pFace);
     FXFT_Done_Face(pFace);
   } while (index < num_faces);
 }
 
 uint32_t CFGAS_FontMgrImp::GetFlags(FXFT_Face pFace) {
   uint32_t flag = 0;
   if (FT_IS_FIXED_WIDTH(pFace)) {
     flag |= FX_FONTSTYLE_FixedPitch;
@@ skipping 170 matching lines @@
 
 int32_t CFGAS_FontMgrImp::IsPartName(const CFX_WideString& Name1,
                                      const CFX_WideString& Name2) {
   if (Name1.Find(Name2.c_str()) != -1) {
     return 1;
   }
   return 0;
 }
 
 #endif