Remove relative includes.

fpdfsdk/src/pdfwindow/PWL_Wnd.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 <map>
 
-#include "../../include/pdfwindow/PDFWindow.h"
-#include "../../include/pdfwindow/PWL_Wnd.h"
-#include "../../include/pdfwindow/PWL_Utils.h"
-#include "../../include/pdfwindow/PWL_ScrollBar.h"
+#include "fpdfsdk/include/pdfwindow/PDFWindow.h"
+#include "fpdfsdk/include/pdfwindow/PWL_ScrollBar.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
 
 /* -------------------------- CPWL_Timer -------------------------- */
 
 static std::map<int32_t, CPWL_Timer*>& GetPWLTimeMap() {
   // Leak the object at shutdown.
   static auto timeMap = new std::map<int32_t, CPWL_Timer*>;
   return *timeMap;
 }
 
 CPWL_Timer::CPWL_Timer(CPWL_TimerHandler* pAttached,
@@ skipping 1048 matching lines @@
   return FALSE;
 }
 
 FX_BOOL CPWL_Wnd::IsINSERTpressed(FX_DWORD nFlag) const {
   if (IFX_SystemHandler* pSystemHandler = GetSystemHandler()) {
     return pSystemHandler->IsINSERTKeyDown(nFlag);
   }
 
   return FALSE;
 }