Reduce usage of operator LPCWSTR from CFX_WideString().

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 "../../include/formfiller/FFL_FormFiller.h"
 #include "../../include/formfiller/FFL_IFormFiller.h"
 #include "../../include/formfiller/FFL_CheckBox.h"
 #include "../../include/formfiller/FFL_ComboBox.h"
@@ skipping 955 matching lines @@
 
                 FX_BOOL bFormated = FALSE;
                 CFX_WideString sValue = pInterForm->OnFormat(pWidget->GetFormField(), GetCommitKey(), bFormated);
 
 //              bExit = !IsValidAnnot(m_pApp, pDocument, pDocView, pPageView, pWidget);
 
                 if (bExit) return;
 
                 if (bFormated)
                 {
-                        pInterForm->ResetFieldAppearance(pWidget->GetFormField(), sValue, TRUE);
+                        pInterForm->ResetFieldAppearance(pWidget->GetFormField(), sValue.c_str(), TRUE);
                         pInterForm->UpdateField(pWidget->GetFormField());
                 }
 
                 m_bNotifying = FALSE;
         }
 }
 
 // LRESULT CALLBACK CFFL_IFormFiller::FFL_WndProc(
 //                                                                        int code,       // hook code
 //                                                                        WPARAM wParam,  // virtual-key code
@@ skipping 201 matching lines @@
         ASSERT(pPrivateData != NULL);
         CFFL_PrivateData* pData = (CFFL_PrivateData*)pPrivateData;
         ASSERT(pData->pWidget != NULL);
         
         CFFL_FormFiller* pFormFiller = GetFormFiller(pData->pWidget, FALSE);
         ASSERT(pFormFiller != NULL);
         
         if (!bEditOrList)
                 pFormFiller->OnKeyStroke(bExit);
 }