Remove fx_fpf.h and IWYU

core/src/fxge/android/fpf_skiamodule.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/fxge/android/fx_fpf.h"
+#include "core/include/fxcrt/fx_system.h"
+
 #if _FX_OS_ == _FX_ANDROID_
+
 #include "core/src/fxge/android/fpf_skiafontmgr.h"
 #include "core/src/fxge/android/fpf_skiamodule.h"
+
 static IFPF_DeviceModule* gs_pPFModule = NULL;
 IFPF_DeviceModule* FPF_GetDeviceModule() {
   if (!gs_pPFModule) {
     gs_pPFModule = new CFPF_SkiaDeviceModule;
   }
   return gs_pPFModule;
 }
 CFPF_SkiaDeviceModule::~CFPF_SkiaDeviceModule() {
   delete m_pFontMgr;
 }
 void CFPF_SkiaDeviceModule::Destroy() {
   delete (CFPF_SkiaDeviceModule*)gs_pPFModule;
   gs_pPFModule = NULL;
 }
 IFPF_FontMgr* CFPF_SkiaDeviceModule::GetFontMgr() {
   if (!m_pFontMgr) {
     m_pFontMgr = new CFPF_SkiaFontMgr;
     if (!m_pFontMgr->InitFTLibrary()) {
       delete m_pFontMgr;
       return NULL;
     }
   }
   return (IFPF_FontMgr*)m_pFontMgr;
 }
 #endif