Merge to XFA: Use override in more classes in core/

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1292613003 .

(cherry picked from commit c2c3f7b5f0396409451a9d344f35ec1929a76e9f)

Review URL: https://codereview.chromium.org/1296043002 .

1 files changed, 50 insertions, 44 deletions

diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h
index aed24d8791..be59655b4e 100644
--- a/core/src/fxcodec/codec/codec_int.h
+++ b/core/src/fxcodec/codec/codec_int.h
@@ -31,36 +31,29 @@ class CCodec_BasicModule : public ICodec_BasicModule {
                                                          int nComps,
                                                          int bpc);
 };
+
 struct CCodec_ImageDataCache {
   int m_Width, m_Height;
   int m_nCachedLines;
   uint8_t m_Data;
 };
+
 class CCodec_ScanlineDecoder : public ICodec_ScanlineDecoder {
  public:
   CCodec_ScanlineDecoder();
-
-  virtual ~CCodec_ScanlineDecoder();
-
-  virtual FX_DWORD GetSrcOffset() { return -1; }
-
-  virtual void DownScale(int dest_width, int dest_height);
-
-  uint8_t* GetScanline(int line);
-
-  FX_BOOL SkipToScanline(int line, IFX_Pause* pPause);
-
-  int GetWidth() { return m_OutputWidth; }
-
-  int GetHeight() { return m_OutputHeight; }
-
-  int CountComps() { return m_nComps; }
-
-  int GetBPC() { return m_bpc; }
-
-  FX_BOOL IsColorTransformed() { return m_bColorTransformed; }
-
-  void ClearImageData() {
+  ~CCodec_ScanlineDecoder() override;
+
+  // ICodec_ScanlineDecoder
+  FX_DWORD GetSrcOffset() override { return -1; }
+  void DownScale(int dest_width, int dest_height) override;
+  uint8_t* GetScanline(int line) override;
+  FX_BOOL SkipToScanline(int line, IFX_Pause* pPause) override;
+  int GetWidth() override { return m_OutputWidth; }
+  int GetHeight() override { return m_OutputHeight; }
+  int CountComps() override { return m_nComps; }
+  int GetBPC() override { return m_bpc; }
+  FX_BOOL IsColorTransformed() override { return m_bColorTransformed; }
+  void ClearImageData() override {
     if (m_pDataCache) {
       FX_Free(m_pDataCache);
     }
@@ -100,6 +93,7 @@ class CCodec_ScanlineDecoder : public ICodec_ScanlineDecoder {
 
   CCodec_ImageDataCache* m_pDataCache;
 };
+
 class CCodec_FaxModule : public ICodec_FaxModule {
  public:
   virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
@@ -119,6 +113,7 @@ class CCodec_FaxModule : public ICodec_FaxModule {
                  uint8_t*& dest_buf,
                  FX_DWORD& dest_size);
 };
+
 class CCodec_FlateModule : public ICodec_FlateModule {
  public:
   virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
@@ -155,6 +150,7 @@ class CCodec_FlateModule : public ICodec_FlateModule {
                          uint8_t*& dest_buf,
                          FX_DWORD& dest_size);
 };
+
 class CCodec_JpegModule : public ICodec_JpegModule {
  public:
   CCodec_JpegModule() : m_pExtProvider(NULL) {}
@@ -308,6 +304,7 @@ class CCodec_IccModule : public ICodec_IccModule {
                       Icc_CLASS ic,
                       CFX_BinaryBuf* pTransformKey);
 };
+
 class CCodec_JpxModule : public ICodec_JpxModule {
  public:
   CCodec_JpxModule();
@@ -326,20 +323,26 @@ class CCodec_JpxModule : public ICodec_JpxModule {
                  uint8_t* offsets);
   void DestroyDecoder(void* ctx);
 };
+
 class CCodec_TiffModule : public ICodec_TiffModule {
  public:
-  virtual void* CreateDecoder(IFX_FileRead* file_ptr);
-  virtual void GetFrames(void* ctx, int32_t& frames);
-  virtual FX_BOOL LoadFrameInfo(void* ctx,
-                                int32_t frame,
-                                FX_DWORD& width,
-                                FX_DWORD& height,
-                                FX_DWORD& comps,
-                                FX_DWORD& bpc,
-                                CFX_DIBAttribute* pAttribute = NULL);
-  virtual FX_BOOL Decode(void* ctx, class CFX_DIBitmap* pDIBitmap);
-  virtual void DestroyDecoder(void* ctx);
+  // ICodec_TiffModule
+  void* CreateDecoder(IFX_FileRead* file_ptr) override;
+  void GetFrames(void* ctx, int32_t& frames) override;
+  FX_BOOL LoadFrameInfo(void* ctx,
+                        int32_t frame,
+                        FX_DWORD& width,
+                        FX_DWORD& height,
+                        FX_DWORD& comps,
+                        FX_DWORD& bpc,
+                        CFX_DIBAttribute* pAttribute = NULL) override;
+  FX_BOOL Decode(void* ctx, class CFX_DIBitmap* pDIBitmap) override;
+  void DestroyDecoder(void* ctx) override;
+
+ protected:
+  ~CCodec_TiffModule() override {}
 };
+
 class CPDF_Jbig2Interface : public CJBig2_Module {
  public:
   virtual void* JBig2_Malloc(FX_DWORD dwSize) {
@@ -366,6 +369,7 @@ class CPDF_Jbig2Interface : public CJBig2_Module {
   }
   virtual void JBig2_Free(void* pMem) { FX_Free(pMem); }
 };
+
 class CCodec_Jbig2Context {
  public:
   CCodec_Jbig2Context();
@@ -387,7 +391,9 @@ class CCodec_Jbig2Context {
 class CCodec_Jbig2Module : public ICodec_Jbig2Module {
  public:
   CCodec_Jbig2Module(){};
-  ~CCodec_Jbig2Module();
+  ~CCodec_Jbig2Module() override;
+
+  // ICodec_Jbig2Module
   FX_BOOL Decode(FX_DWORD width,
                  FX_DWORD height,
                  const uint8_t* src_buf,
@@ -395,13 +401,13 @@ class CCodec_Jbig2Module : public ICodec_Jbig2Module {
                  const uint8_t* global_data,
                  FX_DWORD global_size,
                  uint8_t* dest_buf,
-                 FX_DWORD dest_pitch);
+                 FX_DWORD dest_pitch) override;
   FX_BOOL Decode(IFX_FileRead* file_ptr,
                  FX_DWORD& width,
                  FX_DWORD& height,
                  FX_DWORD& pitch,
-                 uint8_t*& dest_buf);
-  void* CreateJbig2Context();
+                 uint8_t*& dest_buf) override;
+  void* CreateJbig2Context() override;
   FXCODEC_STATUS StartDecode(void* pJbig2Context,
                              FX_DWORD width,
                              FX_DWORD height,
@@ -411,21 +417,21 @@ class CCodec_Jbig2Module : public ICodec_Jbig2Module {
                              FX_DWORD global_size,
                              uint8_t* dest_buf,
                              FX_DWORD dest_pitch,
-                             IFX_Pause* pPause);
-
+                             IFX_Pause* pPause) override;
   FXCODEC_STATUS StartDecode(void* pJbig2Context,
                              IFX_FileRead* file_ptr,
                              FX_DWORD& width,
                              FX_DWORD& height,
                              FX_DWORD& pitch,
                              uint8_t*& dest_buf,
-                             IFX_Pause* pPause);
-  FXCODEC_STATUS ContinueDecode(void* pJbig2Context, IFX_Pause* pPause);
-  void DestroyJbig2Context(void* pJbig2Context);
-  CPDF_Jbig2Interface m_Module;
-  std::list<CJBig2_CachePair> m_SymbolDictCache;
+                             IFX_Pause* pPause) override;
+  FXCODEC_STATUS ContinueDecode(void* pJbig2Context,
+                                IFX_Pause* pPause) override;
+  void DestroyJbig2Context(void* pJbig2Context) override;
 
  private:
+  CPDF_Jbig2Interface m_Module;
+  std::list<CJBig2_CachePair> m_SymbolDictCache;
 };
 class CFX_DIBAttributeExif : public IFX_DIBAttributeExif {
  public: