FWL refcounts never incremented (part 2).

xfa/src/fwl/src/lightwidget/picturebox.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 "../../../foxitlib.h"
 CFWL_PictureBox* CFWL_PictureBox::Create() {
   return new CFWL_PictureBox;
 }
 FWL_ERR CFWL_PictureBox::Initialize(const CFWL_WidgetProperties* pProperties) {
   if (m_pIface)
     return FWL_ERR_Indefinite;
   if (pProperties) {
     *m_pProperties = *pProperties;
   }
-  m_pIface = new IFWL_PictureBox;
-  FWL_ERR ret =
-      ((IFWL_PictureBox*)m_pIface)
-          ->Initialize(m_pProperties->MakeWidgetImpProperties(&m_PictureBoxDP),
-                       nullptr);
-  if (ret == FWL_ERR_Succeeded) {
-    CFWL_Widget::Initialize();
+  nonstd::unique_ptr<IFWL_PictureBox> pPictureBox(IFWL_PictureBox::Create(
+      m_pProperties->MakeWidgetImpProperties(&m_PictureBoxDP), nullptr));
+  FWL_ERR ret = pPictureBox->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
   }
-  return ret;
+  m_pIface = pPictureBox.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
 }
 CFX_DIBitmap* CFWL_PictureBox::GetPicture() {
   return m_PictureBoxDP.m_pBitmap;
 }
 FWL_ERR CFWL_PictureBox::SetPicture(CFX_DIBitmap* pBitmap) {
   m_PictureBoxDP.m_pBitmap = pBitmap;
   return FWL_ERR_Succeeded;
 }
 FX_FLOAT CFWL_PictureBox::GetRotation() {
   return m_PictureBoxDP.m_fRotation;
@@ skipping 71 matching lines @@
   matrix.Translate(-fLen, -fWid);
   matrix.Rotate(m_fRotation);
   matrix.Translate(fLen, fWid);
   matrix.Scale(m_fScaleX, m_fScaleY);
   matrix.Translate(m_fOffSetX, m_fOffSetY);
   return FWL_ERR_Succeeded;
 }
 int32_t CFWL_PictureBox::CFWL_PictureBoxDP::GetFlipMode(IFWL_Widget* pWidget) {
   return m_iFlipMode;
 }