Make CFX_WideString(const CFX_WideString&) explicit.

xfa/fxfa/parser/xfa_script_imp.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/parser/xfa_script_imp.h"
 
 #include "core/fxcrt/include/fx_ext.h"
 #include "xfa/fxfa/app/xfa_ffnotify.h"
@@ skipping 273 matching lines @@
       CXFA_Node* pNode = ToNode(pObject);
       CXFA_Node* pPropOrChild = NULL;
       const XFA_ELEMENTINFO* lpElementInfo =
           XFA_GetElementByName(wsPropName.AsStringC());
       if (lpElementInfo) {
         pPropOrChild = pNode->GetProperty(0, lpElementInfo->eName);
       } else {
         pPropOrChild = pNode->GetFirstChildByName(wsPropName.AsStringC());
       }
       if (pPropOrChild) {
-        CFX_WideString wsDefaultName = FX_WSTRC(L"{default}");
+        CFX_WideString wsDefaultName(L"{default}");
         const XFA_SCRIPTATTRIBUTEINFO* lpAttributeInfo =
             XFA_GetScriptAttributeByName(pPropOrChild->GetClassID(),
                                          wsDefaultName.AsStringC());
         if (lpAttributeInfo) {
           (pPropOrChild->*(lpAttributeInfo->lpfnCallback))(
               hValue, TRUE, (XFA_ATTRIBUTE)lpAttributeInfo->eAttribute);
           return;
         }
       }
     }
@@ skipping 455 matching lines @@
   }
 }
 void CXFA_ScriptContext::AddNodesOfRunScript(CXFA_Node* pNode) {
   if (!m_pScriptNodeArray) {
     return;
   }
   if (m_pScriptNodeArray->Find(pNode) == -1) {
     m_pScriptNodeArray->Add(pNode);
   }
 }