Remove header files that only have includes.

fpdfsdk/src/formfiller/FFL_IFormFiller.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_IFormFiller.h"
+
 #include "fpdfsdk/include/formfiller/FFL_CheckBox.h"
 #include "fpdfsdk/include/formfiller/FFL_ComboBox.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/FFL_PushButton.h"
 #include "fpdfsdk/include/formfiller/FFL_RadioButton.h"
 #include "fpdfsdk/include/formfiller/FFL_TextField.h"
+#include "fpdfsdk/include/fsdk_mgr.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
 
 #define FFL_MAXLISTBOXHEIGHT 140.0f
 
 CFFL_IFormFiller::CFFL_IFormFiller(CPDFDoc_Environment* pApp)
     : m_pApp(pApp), m_bNotifying(FALSE) {}
 
 CFFL_IFormFiller::~CFFL_IFormFiller() {
   for (auto& it : m_Maps)
     delete it.second;
   m_Maps.clear();
@@ skipping 570 matching lines @@
 
   FX_FLOAT fFactHeight = 0;
   FX_BOOL bBottom = TRUE;
   FX_FLOAT fMaxListBoxHeight = 0;
   if (fPopupMax > FFL_MAXLISTBOXHEIGHT) {
     if (fPopupMin > FFL_MAXLISTBOXHEIGHT) {
       fMaxListBoxHeight = fPopupMin;
     } else {
       fMaxListBoxHeight = FFL_MAXLISTBOXHEIGHT;
     }
-  } else
+  } else {
     fMaxListBoxHeight = fPopupMax;
+  }
 
   if (fBottom > fMaxListBoxHeight) {
     fFactHeight = fMaxListBoxHeight;
     bBottom = TRUE;
   } else {
     if (fTop > fMaxListBoxHeight) {
       fFactHeight = fMaxListBoxHeight;
       bBottom = FALSE;
     } else {
       if (fTop > fBottom) {
@@ skipping 191 matching lines @@
           bExit = TRUE;
           m_bNotifying = FALSE;
           return;
         }
       }
 
       m_bNotifying = FALSE;
     }
   }
 }