Move xfa/fwl/core to xfa/fwl.

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>
-
-#include "third_party/base/ptr_util.h"
-
-CFWL_PictureBox::CFWL_PictureBox(const CFWL_App* app)
-    : CFWL_Widget(app, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr) {
-  m_rtClient.Reset();
-  m_rtImage.Reset();
-  m_matrix.SetIdentity();
-}
-
-CFWL_PictureBox::~CFWL_PictureBox() {}
-
-FWL_Type CFWL_PictureBox::GetClassID() const {
-  return FWL_Type::PictureBox;
-}
-
-void CFWL_PictureBox::Update() {
-  if (IsLocked())
-    return;
-  if (!m_pProperties->m_pThemeProvider)
-    m_pProperties->m_pThemeProvider = GetAvailableTheme();
-
-  GetClientRect(m_rtClient);
-}
-
-void CFWL_PictureBox::DrawWidget(CFX_Graphics* pGraphics,
-                                 const CFX_Matrix* pMatrix) {
-  if (!pGraphics)
-    return;
-  if (!m_pProperties->m_pThemeProvider)
-    return;
-
-  IFWL_ThemeProvider* pTheme = GetAvailableTheme();
-  if (HasBorder())
-    DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
-  if (HasEdge())
-    DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
-}
-
-void CFWL_PictureBox::OnDrawWidget(CFX_Graphics* pGraphics,
-                                   const CFX_Matrix* pMatrix) {
-  DrawWidget(pGraphics, pMatrix);
-}