Cleanup: Remove dead formfiller code.

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"
@@ skipping 545 matching lines @@
 PWL_IMPLEMENT_KEY_METHOD(OnKeyDown)
 PWL_IMPLEMENT_KEY_METHOD(OnKeyUp)
 PWL_IMPLEMENT_KEY_METHOD(OnChar)
 
 PWL_IMPLEMENT_MOUSE_METHOD(OnLButtonDblClk)
 PWL_IMPLEMENT_MOUSE_METHOD(OnLButtonDown)
 PWL_IMPLEMENT_MOUSE_METHOD(OnLButtonUp)
 PWL_IMPLEMENT_MOUSE_METHOD(OnMButtonDblClk)
 PWL_IMPLEMENT_MOUSE_METHOD(OnMButtonDown)
 PWL_IMPLEMENT_MOUSE_METHOD(OnMButtonUp)
-PWL_IMPLEMENT_MOUSE_METHOD(OnRButtonDblClk)
 PWL_IMPLEMENT_MOUSE_METHOD(OnRButtonDown)
 PWL_IMPLEMENT_MOUSE_METHOD(OnRButtonUp)
 PWL_IMPLEMENT_MOUSE_METHOD(OnMouseMove)
 
 FX_BOOL CPWL_Wnd::OnMouseWheel(short zDelta, const CPDF_Point & point, FX_DWORD nFlag)
 {
         if (IsValid() && IsVisible() && IsEnabled())
         {
                 SetCursor();
                 if (IsWndCaptureKeyboard(this))
@@ skipping 724 matching lines @@
 FX_BOOL CPWL_Wnd::IsINSERTpressed(FX_DWORD nFlag) const
 {
         if (IFX_SystemHandler* pSystemHandler = GetSystemHandler())
         {
                 return pSystemHandler->IsINSERTKeyDown(nFlag);
         }
 
         return FALSE;
 }