Use override in more classes in core/

core/src/fxge/android/fpf_skiafontmgr.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 CORE_SRC_FXGE_ANDROID_FPF_SKIAFONTMGR_H_
 #define CORE_SRC_FXGE_ANDROID_FPF_SKIAFONTMGR_H_
 
 #if _FX_OS_ == _FX_ANDROID_
+
+#include "../../../include/fxge/fpf.h"
+
 #define FPF_SKIAFONTTYPE_Unknown 0
 #define FPF_SKIAFONTTYPE_Path 1
 #define FPF_SKIAFONTTYPE_File 2
 #define FPF_SKIAFONTTYPE_Buffer 3
+
 class CFPF_SkiaFontDescriptor {
  public:
   CFPF_SkiaFontDescriptor()
       : m_pFamily(NULL),
         m_dwStyle(0),
         m_iFaceIndex(0),
         m_dwCharsets(0),
         m_iGlyphNum(0) {}
   virtual ~CFPF_SkiaFontDescriptor() {
     if (m_pFamily) {
       FX_Free(m_pFamily);
     }
   }
+
   virtual int32_t GetType() const { return FPF_SKIAFONTTYPE_Unknown; }
+
   void SetFamily(const FX_CHAR* pFamily) {
     if (m_pFamily) {
       FX_Free(m_pFamily);
     }
     int32_t iSize = FXSYS_strlen(pFamily);
     m_pFamily = FX_Alloc(FX_CHAR, iSize + 1);
     FXSYS_memcpy(m_pFamily, pFamily, iSize * sizeof(FX_CHAR));
     m_pFamily[iSize] = 0;
   }
   FX_CHAR* m_pFamily;
   FX_DWORD m_dwStyle;
   int32_t m_iFaceIndex;
   FX_DWORD m_dwCharsets;
   int32_t m_iGlyphNum;
 };
+
 class CFPF_SkiaPathFont : public CFPF_SkiaFontDescriptor {
  public:
   CFPF_SkiaPathFont() : m_pPath(NULL) {}
-  virtual ~CFPF_SkiaPathFont() {
+  ~CFPF_SkiaPathFont() override {
     if (m_pPath) {
       FX_Free(m_pPath);
     }
   }
-  virtual int32_t GetType() const { return FPF_SKIAFONTTYPE_Path; }
+
+  // CFPF_SkiaFontDescriptor
+  int32_t GetType() const override { return FPF_SKIAFONTTYPE_Path; }
+
   void SetPath(const FX_CHAR* pPath) {
     if (m_pPath) {
       FX_Free(m_pPath);
     }
     int32_t iSize = FXSYS_strlen(pPath);
     m_pPath = FX_Alloc(FX_CHAR, iSize + 1);
     FXSYS_memcpy(m_pPath, pPath, iSize * sizeof(FX_CHAR));
     m_pPath[iSize] = 0;
   }
   FX_CHAR* m_pPath;
 };
+
 class CFPF_SkiaFileFont : public CFPF_SkiaFontDescriptor {
  public:
   CFPF_SkiaFileFont() : m_pFile(NULL) {}
-  virtual int32_t GetType() const { return FPF_SKIAFONTTYPE_File; }
+
+  // CFPF_SkiaFontDescriptor
+  int32_t GetType() const override { return FPF_SKIAFONTTYPE_File; }
   IFX_FileRead* m_pFile;
 };
+
 class CFPF_SkiaBufferFont : public CFPF_SkiaFontDescriptor {
  public:
   CFPF_SkiaBufferFont() : m_pBuffer(NULL), m_szBuffer(0) {}
-  virtual int32_t GetType() const { return FPF_SKIAFONTTYPE_Buffer; }
+
+  // CFPF_SkiaFontDescriptor
+  int32_t GetType() const override { return FPF_SKIAFONTTYPE_Buffer; }
+
   void* m_pBuffer;
   size_t m_szBuffer;
 };
+
 class CFPF_SkiaFontMgr : public IFPF_FontMgr {
  public:
   CFPF_SkiaFontMgr();
-  virtual ~CFPF_SkiaFontMgr();
+  ~CFPF_SkiaFontMgr() override;
+
+  // IFPF_FontMgr
+  void LoadSystemFonts() override;
+  void LoadPrivateFont(IFX_FileRead* pFontFile) override;
+  void LoadPrivateFont(const CFX_ByteStringC& bsFileName) override;
+  void LoadPrivateFont(void* pBuffer, size_t szBuffer) override;
+  IFPF_Font* CreateFont(const CFX_ByteStringC& bsFamilyname,
+                        uint8_t uCharset,
+                        FX_DWORD dwStyle,
+                        FX_DWORD dwMatch = 0) override;
+
   FX_BOOL InitFTLibrary();
-  virtual void LoadSystemFonts();
-  virtual void LoadPrivateFont(IFX_FileRead* pFontFile);
-  virtual void LoadPrivateFont(const CFX_ByteStringC& bsFileName);
-  virtual void LoadPrivateFont(void* pBuffer, size_t szBuffer);
-
-  virtual IFPF_Font* CreateFont(const CFX_ByteStringC& bsFamilyname,
-                                uint8_t uCharset,
-                                FX_DWORD dwStyle,
-                                FX_DWORD dwMatch = 0);
   FXFT_Face GetFontFace(IFX_FileRead* pFileRead, int32_t iFaceIndex = 0);
   FXFT_Face GetFontFace(const CFX_ByteStringC& bsFile, int32_t iFaceIndex = 0);
   FXFT_Face GetFontFace(const uint8_t* pBuffer,
                         size_t szBuffer,
                         int32_t iFaceIndex = 0);
 
  protected:
   void ScanPath(const CFX_ByteStringC& path);
   void ScanFile(const CFX_ByteStringC& file);
   void ReportFace(FXFT_Face face, CFPF_SkiaFontDescriptor* pFontDesc);
   void OutputSystemFonts();
   FX_BOOL m_bLoaded;
   CFX_PtrArray m_FontFaces;
   FXFT_Library m_FTLibrary;
   CFX_MapPtrToPtr m_FamilyFonts;
 };
+
 #endif
 
 #endif  // CORE_SRC_FXGE_ANDROID_FPF_SKIAFONTMGR_H_