Move the fpdfsdk/include/pdfwindow/ headers into fpdfsdk/pdfwindow.

fpdfsdk/pdfwindow/PWL_SpecialButton.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 "fpdfsdk/include/pdfwindow/PWL_Button.h"
-#include "fpdfsdk/include/pdfwindow/PWL_SpecialButton.h"
-#include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
-#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
+#include "fpdfsdk/pdfwindow/PWL_Button.h"
+#include "fpdfsdk/pdfwindow/PWL_SpecialButton.h"
+#include "fpdfsdk/pdfwindow/PWL_Utils.h"
+#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
 
 CPWL_PushButton::CPWL_PushButton() {}
 
 CPWL_PushButton::~CPWL_PushButton() {}
 
 CFX_ByteString CPWL_PushButton::GetClassName() const {
   return "CPWL_PushButton";
 }
 
 CFX_FloatRect CPWL_PushButton::GetFocusRect() const {
@@ skipping 52 matching lines @@
 }
 
 bool CPWL_RadioButton::IsChecked() const {
   return m_bChecked;
 }
 
 FX_BOOL CPWL_RadioButton::OnChar(uint16_t nChar, FX_DWORD nFlag) {
   SetCheck(TRUE);
   return TRUE;
 }