Make code compile with clang_use_chrome_plugin (part VI)

xfa/fwl/core/cfwl_widgetmgr.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_CFWL_WIDGETMGR_H_
 #define XFA_FWL_CORE_CFWL_WIDGETMGR_H_
 
 #include <map>
 #include <memory>
 
 #include "core/fxcrt/include/fx_system.h"
 #include "xfa/fwl/core/fwl_error.h"
 #include "xfa/fxgraphics/include/cfx_graphics.h"
 
 #define FWL_WGTMGR_DisableThread 0x00000001
 #define FWL_WGTMGR_DisableForm 0x00000002
 
 class CFWL_Message;
 class CFWL_WidgetMgrDelegate;
 class CXFA_FFApp;
 class CXFA_FWLAdapterWidgetMgr;
 class CFX_Graphics;
 class CFX_Matrix;
 class IFWL_Widget;
 
 class CFWL_WidgetMgrItem {
  public:
-  CFWL_WidgetMgrItem() : CFWL_WidgetMgrItem(nullptr) {}
-  explicit CFWL_WidgetMgrItem(IFWL_Widget* widget)
-      : pParent(nullptr),
-        pOwner(nullptr),
-        pChild(nullptr),
-        pPrevious(nullptr),
-        pNext(nullptr),
-        pWidget(widget),
-        iRedrawCounter(0)
-#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
-        ,
-        bOutsideChanged(FALSE)
-#endif
-  {
-  }
-  ~CFWL_WidgetMgrItem() {}
+  CFWL_WidgetMgrItem();
+  explicit CFWL_WidgetMgrItem(IFWL_Widget* widget);
+  ~CFWL_WidgetMgrItem();
 
   CFWL_WidgetMgrItem* pParent;
   CFWL_WidgetMgrItem* pOwner;
   CFWL_WidgetMgrItem* pChild;
   CFWL_WidgetMgrItem* pPrevious;
   CFWL_WidgetMgrItem* pNext;
   IFWL_Widget* const pWidget;
   std::unique_ptr<CFX_Graphics> pOffscreen;
   int32_t iRedrawCounter;
 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
@@ skipping 94 matching lines @@
                        const CFX_Matrix* pMatrix);
   FX_BOOL IsNeedRepaint(IFWL_Widget* pWidget,
                         CFX_Matrix* pMatrix,
                         const CFX_RectF& rtDirty);
   FX_BOOL bUseOffscreenDirect(IFWL_Widget* pWidget);
 
   CFWL_WidgetMgr* m_pWidgetMgr;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_WIDGETMGR_H_