Fold IFWL*::{Initialize|Finalize} into constructor/destructor

xfa/fwl/core/ifwl_tooltip.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/ifwl_tooltip.h"
 
+#include "third_party/base/ptr_util.h"
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_themepart.h"
 #include "xfa/fwl/core/cfwl_themetext.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 #include "xfa/fwl/core/ifwl_tooltip.h"
 #include "xfa/fwl/theme/cfwl_widgettp.h"
 
 IFWL_ToolTip::IFWL_ToolTip(const IFWL_App* app,
                            const CFWL_WidgetImpProperties& properties,
                            IFWL_Widget* pOuter)
     : IFWL_Form(app, properties, pOuter),
       m_bBtnDown(FALSE),
       m_dwTTOStyles(FDE_TTOSTYLE_SingleLine),
       m_iTTOAlign(FDE_TTOALIGNMENT_Center),
       m_pTimerInfoShow(nullptr),
       m_pTimerInfoHide(nullptr),
       m_TimerShow(this),
       m_TimerHide(this) {
   m_rtClient.Set(0, 0, 0, 0);
   m_rtCaption.Set(0, 0, 0, 0);
   m_rtAnchor.Set(0, 0, 0, 0);
+  m_pProperties->m_dwStyles &= ~FWL_WGTSTYLE_Child;
+  m_pProperties->m_dwStyles |= FWL_WGTSTYLE_Popup;
+
+  SetDelegate(pdfium::MakeUnique<CFWL_ToolTipImpDelegate>(this));
 }
 
 IFWL_ToolTip::~IFWL_ToolTip() {}
 
-void IFWL_ToolTip::Initialize() {
-  IFWL_Widget::Initialize();
-
-  m_pProperties->m_dwStyles |= FWL_WGTSTYLE_Popup;
-  m_pProperties->m_dwStyles &= ~FWL_WGTSTYLE_Child;
-
-  m_pDelegate = new CFWL_ToolTipImpDelegate(this);
-}
-
-void IFWL_ToolTip::Finalize() {
-  delete m_pDelegate;
-  m_pDelegate = nullptr;
-  IFWL_Widget::Finalize();
-}
-
 FWL_Type IFWL_ToolTip::GetClassID() const {
   return FWL_Type::ToolTip;
 }
 
 FWL_Error IFWL_ToolTip::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
   if (bAutoSize) {
     rect.Set(0, 0, 0, 0);
     if (!m_pProperties->m_pThemeProvider) {
       m_pProperties->m_pThemeProvider = GetAvailableTheme();
     }
@@ skipping 204 matching lines @@
 void CFWL_ToolTipImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
   CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
 }
 
 void CFWL_ToolTipImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {}
 
 void CFWL_ToolTipImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
                                            const CFX_Matrix* pMatrix) {
   m_pOwner->DrawWidget(pGraphics, pMatrix);
 }