Make code compile with clang_use_chrome_plugin (part IV)

fpdfsdk/formfiller/cffl_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/formfiller/cffl_iformfiller.h"
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
@@ skipping 644 matching lines @@
       fa.bModifier = m_pApp->FFI_IsCTRLKeyDown(nFlag);
       fa.bShift = m_pApp->FFI_IsSHIFTKeyDown(nFlag);
       fa.bWillCommit = TRUE;
       fa.bKeyDown = TRUE;
       fa.bRC = TRUE;
 
       CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, FALSE);
       pFormFiller->GetActionData(pPageView, CPDF_AAction::KeyStroke, fa);
       pFormFiller->SaveState(pPageView);
 
-      PDFSDK_FieldAction faOld = fa;
       pWidget->OnAAction(CPDF_AAction::KeyStroke, fa, pPageView);
 
       bRC = fa.bRC;
       m_bNotifying = FALSE;
     }
   }
 }
 
 void CFFL_IFormFiller::OnValidate(CPDFSDK_Widget* pWidget,
                                   CPDFSDK_PageView* pPageView,
@@ skipping 10 matching lines @@
       PDFSDK_FieldAction fa;
       fa.bModifier = m_pApp->FFI_IsCTRLKeyDown(nFlag);
       fa.bShift = m_pApp->FFI_IsSHIFTKeyDown(nFlag);
       fa.bKeyDown = TRUE;
       fa.bRC = TRUE;
 
       CFFL_FormFiller* pFormFiller = GetFormFiller(pWidget, FALSE);
       pFormFiller->GetActionData(pPageView, CPDF_AAction::Validate, fa);
       pFormFiller->SaveState(pPageView);
 
-      PDFSDK_FieldAction faOld = fa;
       pWidget->OnAAction(CPDF_AAction::Validate, fa, pPageView);
 
       bRC = fa.bRC;
       m_bNotifying = FALSE;
     }
   }
 }
 
 void CFFL_IFormFiller::OnCalculate(CPDFSDK_Widget* pWidget,
                                    CPDFSDK_PageView* pPageView,
@@ skipping 298 matching lines @@
           bExit = TRUE;
           m_bNotifying = FALSE;
           return;
         }
       }
 
       m_bNotifying = FALSE;
     }
   }
 }