Use override in more classes in fpdfsdk/

fpdfsdk/include/javascript/Consts.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 FPDFSDK_INCLUDE_JAVASCRIPT_CONSTS_H_
 #define FPDFSDK_INCLUDE_JAVASCRIPT_CONSTS_H_
 
 #include "JS_Define.h"
 
 /* ------------------------------ border ------------------------------ */
 
 class CJS_Border : public CJS_Object {
  public:
-  CJS_Border(JSFXObject pObject) : CJS_Object(pObject){};
-  virtual ~CJS_Border(void){};
+  explicit CJS_Border(JSFXObject pObject) : CJS_Object(pObject) {}
+  ~CJS_Border() override {}
 
   DECLARE_JS_CLASS_CONST();
 };
 
 /* ------------------------------ display ------------------------------ */
 
 class CJS_Display : public CJS_Object {
  public:
-  CJS_Display(JSFXObject pObject) : CJS_Object(pObject){};
-  virtual ~CJS_Display(void){};
+  explicit CJS_Display(JSFXObject pObject) : CJS_Object(pObject) {}
+  ~CJS_Display() override {}
 
   DECLARE_JS_CLASS_CONST();
 };
 
 /* ------------------------------ font ------------------------------ */
 
 class CJS_Font : public CJS_Object {
  public:
-  CJS_Font(JSFXObject pObject) : CJS_Object(pObject){};
-  virtual ~CJS_Font(void){};
+  explicit CJS_Font(JSFXObject pObject) : CJS_Object(pObject) {}
+  ~CJS_Font() override {}
 
   DECLARE_JS_CLASS_CONST();
 };
 
 /* ------------------------------ highlight ------------------------------ */
 
 class CJS_Highlight : public CJS_Object {
  public:
-  CJS_Highlight(JSFXObject pObject) : CJS_Object(pObject){};
-  virtual ~CJS_Highlight(void){};
+  explicit CJS_Highlight(JSFXObject pObject) : CJS_Object(pObject) {}
+  ~CJS_Highlight() override {}
 
   DECLARE_JS_CLASS_CONST();
 };
 
 /* ------------------------------ position ------------------------------ */
 
 class CJS_Position : public CJS_Object {
  public:
-  CJS_Position(JSFXObject pObject) : CJS_Object(pObject){};
-  virtual ~CJS_Position(void){};
+  explicit CJS_Position(JSFXObject pObject) : CJS_Object(pObject) {}
+  ~CJS_Position() override {}
 
   DECLARE_JS_CLASS_CONST();
 };
 
 /* ------------------------------ scaleHow ------------------------------ */
 
 class CJS_ScaleHow : public CJS_Object {
  public:
-  CJS_ScaleHow(JSFXObject pObject) : CJS_Object(pObject){};
-  virtual ~CJS_ScaleHow(void){};
+  explicit CJS_ScaleHow(JSFXObject pObject) : CJS_Object(pObject) {}
+  ~CJS_ScaleHow() override {}
 
   DECLARE_JS_CLASS_CONST();
 };
 
 /* ------------------------------ scaleWhen ------------------------------ */
 
 class CJS_ScaleWhen : public CJS_Object {
  public:
-  CJS_ScaleWhen(JSFXObject pObject) : CJS_Object(pObject){};
-  virtual ~CJS_ScaleWhen(void){};
+  explicit CJS_ScaleWhen(JSFXObject pObject) : CJS_Object(pObject) {}
+  ~CJS_ScaleWhen() override {}
 
   DECLARE_JS_CLASS_CONST();
 };
 
 /* ------------------------------ style ------------------------------ */
 
 class CJS_Style : public CJS_Object {
  public:
-  CJS_Style(JSFXObject pObject) : CJS_Object(pObject){};
-  virtual ~CJS_Style(void){};
+  explicit CJS_Style(JSFXObject pObject) : CJS_Object(pObject) {}
+  ~CJS_Style() override {}
 
   DECLARE_JS_CLASS_CONST();
 };
 
 /* ------------------------------ zoomtype ------------------------------ */
 
 class CJS_Zoomtype : public CJS_Object {
  public:
-  CJS_Zoomtype(JSFXObject pObject) : CJS_Object(pObject){};
-  virtual ~CJS_Zoomtype(void){};
+  explicit CJS_Zoomtype(JSFXObject pObject) : CJS_Object(pObject) {}
+  ~CJS_Zoomtype() override {}
 
   DECLARE_JS_CLASS_CONST();
 };
 
 /* ------------------------------ CJS_GlobalConsts
  * ------------------------------ */
 
 class CJS_GlobalConsts : public CJS_Object {
  public:
   static int Init(IJS_Runtime* pRuntime);
 };
 
 /* ------------------------------ CJS_GlobalArrays
  * ------------------------------ */
 
 class CJS_GlobalArrays : public CJS_Object {
  public:
   static int Init(IJS_Runtime* pRuntime);
 };
 
 #endif  // FPDFSDK_INCLUDE_JAVASCRIPT_CONSTS_H_