Fix lint bugs.

xfa/fxbarcode/cbc_datamatrix.h

Index: xfa/fxbarcode/cbc_datamatrix.h
diff --git a/xfa/fxbarcode/cbc_datamatrix.h b/xfa/fxbarcode/cbc_datamatrix.h
index 496df6ecaa17d98cfefd15ac4922d33f13e79e84..7cd487567da8895da29ba092ed55e71aa3863b41 100644
--- a/xfa/fxbarcode/cbc_datamatrix.h
+++ b/xfa/fxbarcode/cbc_datamatrix.h
@@ -15,18 +15,22 @@
 class CBC_DataMatrix : public CBC_CodeBase {
  public:
   CBC_DataMatrix();
-  virtual ~CBC_DataMatrix();
-
-  FX_BOOL Encode(const CFX_WideStringC& contents, FX_BOOL isDevice, int32_t& e);
-  CFX_WideString Decode(uint8_t* buf, int32_t width, int32_t hight, int32_t& e);
-  CFX_WideString Decode(CFX_DIBitmap* pBitmap, int32_t& e);
-
+  ~CBC_DataMatrix() override;
+
+  // CBC_OneCode:
+  FX_BOOL Encode(const CFX_WideStringC& contents,
+                 FX_BOOL isDevice,
+                 int32_t& e) override;
+  CFX_WideString Decode(uint8_t* buf,
+                        int32_t width,
+                        int32_t height,
+                        int32_t& e) override;
+  CFX_WideString Decode(CFX_DIBitmap* pBitmap, int32_t& e) override;
   FX_BOOL RenderDevice(CFX_RenderDevice* device,
-                       const CFX_Matrix* matirx,
-                       int32_t& e);
-  FX_BOOL RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e);
-
-  BC_TYPE GetType() { return BC_DATAMATRIX; }
+                       const CFX_Matrix* matrix,
+                       int32_t& e) override;
+  FX_BOOL RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) override;
+  BC_TYPE GetType() override { return BC_DATAMATRIX; }
 };
 
 #endif  // XFA_FXBARCODE_CBC_DATAMATRIX_H_