Fix all the code which has duplicate variable declarations

xfa/fxfa/app/xfa_ffdocview.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 "xfa/fxfa/include/xfa_ffdocview.h"
 
 #include "core/fxcrt/include/fx_ext.h"
 #include "xfa/fxfa/app/xfa_ffbarcode.h"
@@ skipping 703 matching lines @@
   CXFA_Node* pRootItem =
       ToNode(m_pDoc->GetXFADoc()->GetXFAObject(XFA_HASHCODE_Form));
   if (!pRootItem) {
     return FALSE;
   }
   ExecEventActivityByDeepFirst(pRootItem, XFA_EVENT_Ready);
   RunLayout();
   return TRUE;
 }
 void CXFA_FFDocView::RunBindItems() {
-  int32_t iCount = m_BindItems.GetSize();
-  for (int32_t i = 0; i < iCount; i++) {
+  for (int32_t i = 0; i < m_BindItems.GetSize(); i++) {
     if (m_BindItems[i]->HasFlag(XFA_NODEFLAG_HasRemoved))
       continue;
 
     CXFA_Node* pWidgetNode = m_BindItems[i]->GetNodeItem(XFA_NODEITEM_Parent);
     CXFA_WidgetAcc* pAcc = (CXFA_WidgetAcc*)pWidgetNode->GetWidgetData();
     if (!pAcc)
       continue;
 
     CXFA_BindItems binditems(m_BindItems[i]);
     CXFA_ScriptContext* pScriptContext =
@@ skipping 14 matching lines @@
     binditems.GetValueRef(wsValueRef);
     binditems.GetLabelRef(wsLabelRef);
     const bool bUseValue = wsLabelRef.IsEmpty() || wsLabelRef == wsValueRef;
     const bool bLabelUseContent =
         wsLabelRef.IsEmpty() || wsLabelRef == FX_WSTRC(L"$");
     const bool bValueUseContent =
         wsValueRef.IsEmpty() || wsValueRef == FX_WSTRC(L"$");
     CFX_WideString wsValue;
     CFX_WideString wsLabel;
     uint32_t uValueHash = FX_HashCode_GetW(wsValueRef, false);
-    for (int32_t i = 0; i < iCount; i++) {
-      CXFA_Object* refObj = rs.nodes[i];
+    for (int32_t j = 0; j < iCount; j++) {
+      CXFA_Object* refObj = rs.nodes[j];
       if (!refObj->IsNode()) {
         continue;
       }
       CXFA_Node* refNode = refObj->AsNode();
       if (bValueUseContent) {
         wsValue = refNode->GetContent();
       } else {
         CXFA_Node* nodeValue = refNode->GetFirstChildByName(uValueHash);
         if (nodeValue == NULL) {
           wsValue = refNode->GetContent();
@@ skipping 66 matching lines @@
 CXFA_WidgetAcc* CXFA_WidgetAccIterator::GetCurrentWidgetAcc() {
   return NULL;
 }
 FX_BOOL CXFA_WidgetAccIterator::SetCurrentWidgetAcc(CXFA_WidgetAcc* hWidget) {
   return FALSE;
 }
 void CXFA_WidgetAccIterator::SkipTree() {
   m_ContentIterator.SkipChildrenAndMoveToNext();
   m_pCurWidgetAcc = NULL;
 }