Use smart pointers for class owned pointers in xfa/fxfa

fpdfsdk/fsdk_baseform.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/include/fsdk_baseform.h"
 
 #include <algorithm>
 #include <map>
@@ skipping 97 matching lines @@
         CFX_WideString sName;
         if (GetFieldType() == FIELDTYPE_RADIOBUTTON) {
           sName = GetAnnotName();
           if (sName.IsEmpty())
             sName = GetName();
         } else {
           sName = GetName();
         }
 
         if (!sName.IsEmpty())
-          m_hMixXFAWidget = pDocView->GetWidgetByName(sName);
+          m_hMixXFAWidget = pDocView->GetWidgetByName(sName, nullptr);
       }
     }
     return m_hMixXFAWidget;
   }
 
   return nullptr;
 }
 
 CXFA_FFWidget* CPDFSDK_Widget::GetGroupMixXFAWidget() {
   CPDFSDK_Document* pSDKDoc = m_pPageView->GetSDKDocument();
   CPDFXFA_Document* pDoc = pSDKDoc->GetXFADocument();
   if (pDoc->GetDocType() == DOCTYPE_STATIC_XFA) {
     if (CXFA_FFDocView* pDocView = pDoc->GetXFADocView()) {
       CFX_WideString sName = GetName();
       if (!sName.IsEmpty())
-        return pDocView->GetWidgetByName(sName);
+        return pDocView->GetWidgetByName(sName, nullptr);
     }
   }
 
   return nullptr;
 }
 
 CXFA_FFWidgetHandler* CPDFSDK_Widget::GetXFAWidgetHandler() const {
   CPDFSDK_Document* pSDKDoc = m_pPageView->GetSDKDocument();
   CPDFXFA_Document* pDoc = pSDKDoc->GetXFADocument();
   if (pDoc->GetDocType() == DOCTYPE_STATIC_XFA) {
@@ skipping 2716 matching lines @@
       break;
     }
   }
 }
 
 CFX_FloatRect CBA_AnnotIterator::GetAnnotRect(const CPDFSDK_Annot* pAnnot) {
   CFX_FloatRect rcAnnot;
   pAnnot->GetPDFAnnot()->GetRect(rcAnnot);
   return rcAnnot;
 }