Make code compile with clang_use_chrome_plugin (part VI)

xfa/fwl/core/cfwl_widgetimpproperties.h

 // Copyright 2016 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_WIDGETIMPPROPERTIES_H_
 #define XFA_FWL_CORE_CFWL_WIDGETIMPPROPERTIES_H_
 
 #include "core/fxcrt/include/fx_coordinates.h"
 #include "core/fxcrt/include/fx_system.h"
 #include "xfa/fwl/core/fwl_widgetdef.h"
 
 class IFWL_DataProvider;
 class IFWL_ThemeProvider;
 class IFWL_Widget;
 
 class CFWL_WidgetImpProperties {
  public:
-  CFWL_WidgetImpProperties()
-      : m_dwStyles(FWL_WGTSTYLE_Child),
-        m_dwStyleExes(0),
-        m_dwStates(0),
-        m_pThemeProvider(nullptr),
-        m_pDataProvider(nullptr),
-        m_pParent(nullptr),
-        m_pOwner(nullptr) {
-    m_ctmOnParent.SetIdentity();
-    m_rtWidget.Set(0, 0, 0, 0);
-  }
+  CFWL_WidgetImpProperties();
+  ~CFWL_WidgetImpProperties();
+  CFWL_WidgetImpProperties(const CFWL_WidgetImpProperties& other);
 
   CFX_Matrix m_ctmOnParent;
   CFX_RectF m_rtWidget;
   uint32_t m_dwStyles;
   uint32_t m_dwStyleExes;
   uint32_t m_dwStates;
   IFWL_ThemeProvider* m_pThemeProvider;
   IFWL_DataProvider* m_pDataProvider;
   IFWL_Widget* m_pParent;
   IFWL_Widget* m_pOwner;
 };
 
+inline CFWL_WidgetImpProperties::CFWL_WidgetImpProperties()
+    : m_dwStyles(FWL_WGTSTYLE_Child),
+      m_dwStyleExes(0),
+      m_dwStates(0),
+      m_pThemeProvider(nullptr),
+      m_pDataProvider(nullptr),
+      m_pParent(nullptr),
+      m_pOwner(nullptr) {
+  m_ctmOnParent.SetIdentity();
+  m_rtWidget.Set(0, 0, 0, 0);
+}
+
+inline CFWL_WidgetImpProperties::~CFWL_WidgetImpProperties() {}
+
+inline CFWL_WidgetImpProperties::CFWL_WidgetImpProperties(
+    const CFWL_WidgetImpProperties& other) = default;
+
 #endif  // XFA_FWL_CORE_CFWL_WIDGETIMPPROPERTIES_H_