Move fwl/lightwidget to fwl/core

xfa/fwl/lightwidget/cfwl_pushbutton.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/lightwidget/cfwl_pushbutton.h"
-
-#include <memory>
-
-IFWL_PushButton* CFWL_PushButton::GetWidget() {
-  return static_cast<IFWL_PushButton*>(m_pIface.get());
-}
-
-const IFWL_PushButton* CFWL_PushButton::GetWidget() const {
-  return static_cast<IFWL_PushButton*>(m_pIface.get());
-}
-
-FWL_Error CFWL_PushButton::Initialize(
-    const CFWL_WidgetProperties* pProperties) {
-  if (m_pIface)
-    return FWL_Error::Indefinite;
-  if (pProperties) {
-    *m_pProperties = *pProperties;
-  }
-  std::unique_ptr<IFWL_PushButton> pPushButton(new IFWL_PushButton(
-      m_pProperties->MakeWidgetImpProperties(&m_buttonData)));
-  FWL_Error ret = pPushButton->Initialize();
-  if (ret != FWL_Error::Succeeded) {
-    return ret;
-  }
-  m_pIface = std::move(pPushButton);
-  CFWL_Widget::Initialize();
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_PushButton::GetCaption(CFX_WideString& wsCaption) {
-  wsCaption = m_buttonData.m_wsCaption;
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_PushButton::SetCaption(const CFX_WideStringC& wsCaption) {
-  m_buttonData.m_wsCaption = wsCaption;
-  return FWL_Error::Succeeded;
-}
-
-CFX_DIBitmap* CFWL_PushButton::GetPicture() {
-  return m_buttonData.m_pBitmap;
-}
-
-FWL_Error CFWL_PushButton::SetPicture(CFX_DIBitmap* pBitmap) {
-  m_buttonData.m_pBitmap = pBitmap;
-  return FWL_Error::Succeeded;
-}
-
-CFWL_PushButton::CFWL_PushButton() {}
-
-CFWL_PushButton::~CFWL_PushButton() {}
-
-FWL_Error CFWL_PushButton::CFWL_PushButtonDP::GetCaption(
-    IFWL_Widget* pWidget,
-    CFX_WideString& wsCaption) {
-  wsCaption = m_wsCaption;
-  return FWL_Error::Succeeded;
-}
-
-CFX_DIBitmap* CFWL_PushButton::CFWL_PushButtonDP::GetPicture(
-    IFWL_Widget* pWidget) {
-  return m_pBitmap;
-}