Remove GetWidget() overrides

xfa/fwl/core/cfwl_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 "xfa/fwl/core/cfwl_picturebox.h"
 
 #include <memory>
 
 CFWL_PictureBox::CFWL_PictureBox(const IFWL_App* app) : CFWL_Widget(app) {}
 
 CFWL_PictureBox::~CFWL_PictureBox() {}
 
 void CFWL_PictureBox::Initialize() {
   ASSERT(!m_pIface);
 
   std::unique_ptr<IFWL_PictureBox> pPictureBox(new IFWL_PictureBox(
       m_pApp, m_pProperties->MakeWidgetImpProperties(&m_PictureBoxDP)));
   pPictureBox->Initialize();
 
   m_pIface = std::move(pPictureBox);
   CFWL_Widget::Initialize();
 }
 
-IFWL_PictureBox* CFWL_PictureBox::GetWidget() {
-  return static_cast<IFWL_PictureBox*>(m_pIface.get());
-}
-
-const IFWL_PictureBox* CFWL_PictureBox::GetWidget() const {
-  return static_cast<IFWL_PictureBox*>(m_pIface.get());
-}
-
 CFX_DIBitmap* CFWL_PictureBox::GetPicture() {
   return m_PictureBoxDP.m_pBitmap;
 }
 
 FWL_Error CFWL_PictureBox::SetPicture(CFX_DIBitmap* pBitmap) {
   m_PictureBoxDP.m_pBitmap = pBitmap;
   return FWL_Error::Succeeded;
 }
 
 FX_FLOAT CFWL_PictureBox::GetRotation() {
@@ skipping 96 matching lines @@
   matrix.Rotate(m_fRotation);
   matrix.Translate(fLen, fWid);
   matrix.Scale(m_fScaleX, m_fScaleY);
   matrix.Translate(m_fOffSetX, m_fOffSetY);
   return FWL_Error::Succeeded;
 }
 
 int32_t CFWL_PictureBox::CFWL_PictureBoxDP::GetFlipMode(IFWL_Widget* pWidget) {
   return m_iFlipMode;
 }