Remove a few more char* members from structs/classes.

xfa/fxfa/app/xfa_textlayout.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_textlayout.h"
 
 #include <algorithm>
 
@@ skipping 19 matching lines @@
 }
 void CXFA_CSSTagProvider::GetNextAttribute(FX_POSITION& pos,
                                            CFX_WideStringC& wsAttr,
                                            CFX_WideStringC& wsValue) {
   if (pos == NULL) {
     return;
   }
   CFX_WideString* pName = NULL;
   CFX_WideString* pValue = NULL;
   m_Attributes.GetNextAssoc(pos, (void*&)pName, (void*&)pValue);
-  wsAttr = *pName;
-  wsValue = *pValue;
+  wsAttr = pName->AsStringC();
+  wsValue = pValue->AsStringC();
 }
 void CXFA_CSSTagProvider::SetAttribute(const CFX_WideString& wsAttr,
                                        const CFX_WideString& wsValue) {
   CFX_WideString* pName = new CFX_WideString();
   CFX_WideString* pValue = new CFX_WideString();
   *pName = wsAttr;
   *pValue = wsValue;
   m_Attributes.SetAt(pName, pValue);
 }
 void CXFA_TextParseContext::SetDecls(const IFDE_CSSDeclaration** ppDeclArray,
@@ skipping 1938 matching lines @@
   tr.iLength = iLength;
   tr.fFontSize = pPiece->fFontSize;
   tr.iBidiLevel = pPiece->iBidiLevel;
   tr.iCharRotation = 0;
   tr.wLineBreakChar = L'\n';
   tr.iVerticalScale = pPiece->iVerScale;
   tr.dwLayoutStyles = FX_RTFLAYOUTSTYLE_ExpandTab;
   tr.iHorizontalScale = pPiece->iHorScale;
   return TRUE;
 }