Remove some c_str() calls from StringCs in xfa docs.

xfa/fxfa/app/xfa_ffwidgetacc.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/app/xfa_ffwidgetacc.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 371 matching lines @@
       validate.GetScriptMessageText(wsScriptMsg);
       int32_t eScriptTest = validate.GetScriptTest();
       if (eScriptTest == XFA_ATTRIBUTEENUM_Warning) {
         if (GetNode()->HasFlag(XFA_NODEFLAG_UserInteractive)) {
           return;
         }
         if (wsScriptMsg.IsEmpty()) {
           GetValidateMessage(pAppProvider, wsScriptMsg, FALSE, bVersionFlag);
         }
         if (bVersionFlag) {
-          pAppProvider->MsgBox(wsScriptMsg.AsStringC(), wsTitle.AsStringC(),
-                               XFA_MBICON_Warning, XFA_MB_OK);
+          pAppProvider->MsgBox(wsScriptMsg, wsTitle, XFA_MBICON_Warning,
+                               XFA_MB_OK);
           return;
         }
-        if (pAppProvider->MsgBox(wsScriptMsg.AsStringC(), wsTitle.AsStringC(),
-                                 XFA_MBICON_Warning,
+        if (pAppProvider->MsgBox(wsScriptMsg, wsTitle, XFA_MBICON_Warning,
                                  XFA_MB_YesNo) == XFA_IDYes) {
           GetNode()->SetFlag(XFA_NODEFLAG_UserInteractive, false);
         }
       } else {
         if (wsScriptMsg.IsEmpty()) {
           GetValidateMessage(pAppProvider, wsScriptMsg, TRUE, bVersionFlag);
         }
-        pAppProvider->MsgBox(wsScriptMsg.AsStringC(), wsTitle.AsStringC(),
-                             XFA_MBICON_Error, XFA_MB_OK);
+        pAppProvider->MsgBox(wsScriptMsg, wsTitle, XFA_MBICON_Error, XFA_MB_OK);
       }
     }
   }
 }
 int32_t CXFA_WidgetAcc::ProcessFormatTestValidate(CXFA_Validate validate,
                                                   FX_BOOL bVersionFlag) {
   CFX_WideString wsRawValue = GetRawValue();
   if (!wsRawValue.IsEmpty()) {
     CFX_WideString wsPicture;
     validate.GetPicture(wsPicture);
@@ skipping 12 matching lines @@
       }
       CFX_WideString wsFormatMsg;
       validate.GetFormatMessageText(wsFormatMsg);
       CFX_WideString wsTitle;
       pAppProvider->LoadString(XFA_IDS_AppName, wsTitle);
       int32_t eFormatTest = validate.GetFormatTest();
       if (eFormatTest == XFA_ATTRIBUTEENUM_Error) {
         if (wsFormatMsg.IsEmpty()) {
           GetValidateMessage(pAppProvider, wsFormatMsg, TRUE, bVersionFlag);
         }
-        pAppProvider->MsgBox(wsFormatMsg.AsStringC(), wsTitle.AsStringC(),
-                             XFA_MBICON_Error, XFA_MB_OK);
+        pAppProvider->MsgBox(wsFormatMsg, wsTitle, XFA_MBICON_Error, XFA_MB_OK);
         return XFA_EVENTERROR_Success;
       }
       if (GetNode()->HasFlag(XFA_NODEFLAG_UserInteractive)) {
         return XFA_EVENTERROR_NotExist;
       }
       if (wsFormatMsg.IsEmpty()) {
         GetValidateMessage(pAppProvider, wsFormatMsg, FALSE, bVersionFlag);
       }
       if (bVersionFlag) {
-        pAppProvider->MsgBox(wsFormatMsg.AsStringC(), wsTitle.AsStringC(),
-                             XFA_MBICON_Warning, XFA_MB_OK);
+        pAppProvider->MsgBox(wsFormatMsg, wsTitle, XFA_MBICON_Warning,
+                             XFA_MB_OK);
         return XFA_EVENTERROR_Success;
       }
-      if (pAppProvider->MsgBox(wsFormatMsg.AsStringC(), wsTitle.AsStringC(),
-                               XFA_MBICON_Warning, XFA_MB_YesNo) == XFA_IDYes) {
+      if (pAppProvider->MsgBox(wsFormatMsg, wsTitle, XFA_MBICON_Warning,
+                               XFA_MB_YesNo) == XFA_IDYes) {
         GetNode()->SetFlag(XFA_NODEFLAG_UserInteractive, false);
       }
       return XFA_EVENTERROR_Success;
     }
   }
   return XFA_EVENTERROR_NotExist;
 }
 int32_t CXFA_WidgetAcc::ProcessNullTestValidate(CXFA_Validate validate,
                                                 int32_t iFlags,
                                                 FX_BOOL bVersionFlag) {
@@ skipping 34 matching lines @@
   CFX_WideString wsTitle;
   pAppProvider->LoadString(XFA_IDS_AppName, wsTitle);
   switch (eNullTest) {
     case XFA_ATTRIBUTEENUM_Error: {
       if (wsNullMsg.IsEmpty()) {
         GetValidateCaptionName(wsCaptionName, bVersionFlag);
         CFX_WideString wsError;
         pAppProvider->LoadString(XFA_IDS_ValidateNullError, wsError);
         wsNullMsg.Format(wsError.c_str(), wsCaptionName.c_str());
       }
-      pAppProvider->MsgBox(wsNullMsg.AsStringC(), wsTitle.AsStringC(),
-                           XFA_MBICON_Status, XFA_MB_OK);
+      pAppProvider->MsgBox(wsNullMsg, wsTitle, XFA_MBICON_Status, XFA_MB_OK);
       return XFA_EVENTERROR_Error;
     }
     case XFA_ATTRIBUTEENUM_Warning: {
       if (GetNode()->HasFlag(XFA_NODEFLAG_UserInteractive)) {
         return TRUE;
       }
       if (wsNullMsg.IsEmpty()) {
         GetValidateCaptionName(wsCaptionName, bVersionFlag);
         CFX_WideString wsWarning;
         pAppProvider->LoadString(XFA_IDS_ValidateNullWarning, wsWarning);
         wsNullMsg.Format(wsWarning.c_str(), wsCaptionName.c_str(),
                          wsCaptionName.c_str());
       }
-      if (pAppProvider->MsgBox(wsNullMsg.AsStringC(), wsTitle.AsStringC(),
-                               XFA_MBICON_Warning, XFA_MB_YesNo) == XFA_IDYes) {
+      if (pAppProvider->MsgBox(wsNullMsg, wsTitle, XFA_MBICON_Warning,
+                               XFA_MB_YesNo) == XFA_IDYes) {
         GetNode()->SetFlag(XFA_NODEFLAG_UserInteractive, false);
       }
       return XFA_EVENTERROR_Error;
     }
     case XFA_ATTRIBUTEENUM_Disabled:
     default:
       break;
   }
   return XFA_EVENTERROR_Success;
 }
@@ skipping 1143 matching lines @@
     if (pIDNode) {
       pEmbAcc = (CXFA_WidgetAcc*)pIDNode->GetWidgetData();
     }
     if (pEmbAcc) {
       pEmbAcc->GetValue(wsValue, XFA_VALUEPICTURE_Display);
       return TRUE;
     }
   }
   return FALSE;
 }