Remove header files that only have includes.

fpdfsdk/src/formfiller/FFL_ListBox.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/formfiller/FFL_ListBox.h"
+
 #include "fpdfsdk/include/formfiller/FFL_CBA_Fontmap.h"
 #include "fpdfsdk/include/formfiller/FFL_FormFiller.h"
 #include "fpdfsdk/include/formfiller/FFL_IFormFiller.h"
-#include "fpdfsdk/include/formfiller/FFL_ListBox.h"
-#include "fpdfsdk/include/formfiller/FormFiller.h"
+#include "fpdfsdk/include/fsdk_common.h"
+#include "fpdfsdk/include/fsdk_mgr.h"
+#include "fpdfsdk/include/pdfwindow/PWL_ListBox.h"
 
 #define FFL_DEFAULTLISTBOXFONTSIZE 12.0f
 
-/* ------------------------------- CFFL_ListBox -------------------------------
- */
-
 CFFL_ListBox::CFFL_ListBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pWidget)
     : CFFL_FormFiller(pApp, pWidget), m_pFontMap(NULL) {}
 
 CFFL_ListBox::~CFFL_ListBox() {
   delete m_pFontMap;
 }
 
 PWL_CREATEPARAM CFFL_ListBox::GetCreateParam() {
   PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam();
 
@@ skipping 178 matching lines @@
   if (bRestoreValue)
     SaveState(pPageView);
 
   DestroyPDFWindow(pPageView);
 
   CPWL_Wnd* pRet = NULL;
 
   if (bRestoreValue) {
     RestoreState(pPageView);
     pRet = GetPDFWindow(pPageView, FALSE);
-  } else
+  } else {
     pRet = GetPDFWindow(pPageView, TRUE);
+  }
 
   m_pWidget->UpdateField();
 
   return pRet;
 }