Use smart pointers for class owned pointers

xfa/fwl/core/fwl_noteimp.h

 // 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
 
 #ifndef XFA_FWL_CORE_FWL_NOTEIMP_H_
 #define XFA_FWL_CORE_FWL_NOTEIMP_H_
 
+#include <memory>
 #include <unordered_map>
 
 #include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/fwl_error.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 #include "xfa/fxgraphics/include/cfx_graphics.h"
 
 enum FWL_KeyFlag {
   FWL_KEYFLAG_Ctrl = 1 << 0,
@@ skipping 88 matching lines @@
   IFWL_Widget* GetMessageForm(IFWL_Widget* pDstTarget);
   void ClearInvalidEventTargets(FX_BOOL bRemoveAll);
 
   CFX_ArrayTemplate<CFWL_WidgetImp*> m_forms;
   CFX_ArrayTemplate<CFWL_Message*> m_noteQueue;
   CFX_ArrayTemplate<CFWL_NoteLoop*> m_noteLoopQueue;
   std::unordered_map<uint32_t, CFWL_EventTarget*> m_eventTargets;
   IFWL_Widget* m_pHover;
   IFWL_Widget* m_pFocus;
   IFWL_Widget* m_pGrab;
-  CFWL_NoteLoop* m_pNoteLoop;
+  std::unique_ptr<CFWL_NoteLoop> m_pNoteLoop;
 };
 
 class CFWL_EventTarget {
  public:
   CFWL_EventTarget(CFWL_NoteDriver* pNoteDriver, IFWL_Widget* pListener);
   ~CFWL_EventTarget();
 
   int32_t SetEventSource(IFWL_Widget* pSource,
                          uint32_t dwFilter = FWL_EVENT_ALL_MASK);
   FX_BOOL ProcessEvent(CFWL_Event* pEvent);
@@ skipping 11 matching lines @@
 class CFWL_ToolTipContainer final {
  public:
   static CFWL_ToolTipContainer* getInstance();
   static void DeleteInstance();
 
  protected:
   CFWL_ToolTipContainer();
   ~CFWL_ToolTipContainer();
 
   CFWL_ToolTipImp* m_pToolTipImp;
-  CFWL_CoreToolTipDP* m_ToolTipDp;
+  std::unique_ptr<CFWL_CoreToolTipDP> m_pToolTipDp;
 
  private:
   static CFWL_ToolTipContainer* s_pInstance;
 };
 
 #endif  // XFA_FWL_CORE_FWL_NOTEIMP_H_