Remove unused CFX_QuartzDevice(Driver) classes.

core/fxge/apple/fx_mac_imp.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/fxge/apple/apple_int.h"
 #include "core/fxge/cfx_gemodule.h"
 #include "core/fxge/ge/cfx_folderfontinfo.h"
 #include "core/fxge/ifx_systemfontinfo.h"
 
-#if _FX_OS_ == _FX_MACOSX_
-
 namespace {
 
 const struct {
   const FX_CHAR* m_pName;
   const FX_CHAR* m_pSubstName;
 } g_Base14Substs[] = {
     {"Courier", "Courier New"},
     {"Courier-Bold", "Courier New Bold"},
     {"Courier-BoldOblique", "Courier New Bold Italic"},
     {"Courier-Oblique", "Courier New Italic"},
@@ skipping 106 matching lines @@
 
 void CFX_GEModule::InitPlatform() {
   m_pPlatformData = new CApplePlatform;
   m_pFontMgr->SetSystemFontInfo(IFX_SystemFontInfo::CreateDefault(nullptr));
 }
 
 void CFX_GEModule::DestroyPlatform() {
   delete reinterpret_cast<CApplePlatform*>(m_pPlatformData);
   m_pPlatformData = nullptr;
 }
-
-#endif  // _FX_OS_ == _FX_MACOSX_