Remove custom memory manager

core/src/fxcrt/fxcrt_posix.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/fxcrt/fx_ext.h"
 #include "fxcrt_posix.h"
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ || _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ || _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_
-IFXCRT_FileAccess* FXCRT_FileAccess_Create(IFX_Allocator* pAllocator)
+IFXCRT_FileAccess* FXCRT_FileAccess_Create()
 {
-    if (pAllocator) {
-        return FX_NewAtAllocator(pAllocator) CFXCRT_FileAccess_Posix();
-    } else {
-        return FX_NEW CFXCRT_FileAccess_Posix;
-    }
+    return FX_NEW CFXCRT_FileAccess_Posix;
 }
 void FXCRT_Posix_GetFileMode(FX_DWORD dwModes, FX_INT32 &nFlags, FX_INT32 &nMasks)
 {
     nFlags = O_BINARY | O_LARGEFILE;
     if (dwModes & FX_FILEMODE_ReadOnly) {
         nFlags |= O_RDONLY;
         nMasks = 0;
     } else {
         nFlags |= O_RDWR | O_CREAT;
         if (dwModes & FX_FILEMODE_Truncate) {
@@ skipping 25 matching lines @@
     return Open(FX_UTF8Encode(fileName), dwMode);
 }
 void CFXCRT_FileAccess_Posix::Close()
 {
     if (m_nFD < 0) {
         return;
     }
     close(m_nFD);
     m_nFD = -1;
 }
-void CFXCRT_FileAccess_Posix::Release(IFX_Allocator* pAllocator)
+void CFXCRT_FileAccess_Posix::Release()
 {
-    if (pAllocator) {
-        FX_DeleteAtAllocator(this, pAllocator, CFXCRT_FileAccess_Posix);
-    } else {
-        delete this;
-    }
+    delete this;
 }
 FX_FILESIZE CFXCRT_FileAccess_Posix::GetSize() const
 {
     if (m_nFD < 0) {
         return 0;
     }
     struct stat s;
     FXSYS_memset32(&s, 0, sizeof(s));
     fstat(m_nFD, &s);
     return s.st_size;
@@ skipping 113 matching lines @@
 }
 FX_BOOL FX_File_Move(FX_BSTR fileNameSrc, FX_BSTR fileNameDst)
 {
     return rename(fileNameSrc.GetCStr(), fileNameDst.GetCStr());
 }
 FX_BOOL FX_File_Move(FX_WSTR fileNameSrc, FX_WSTR fileNameDst)
 {
     return FX_File_Move(FX_UTF8Encode(fileNameSrc), FX_UTF8Encode(fileNameDst));
 }
 #endif