XFA: Remove dead code in CBC_BufferedImageLuminanceSource and friends.

xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.h

Index: xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.h
diff --git a/xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.h b/xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.h
index 2799df5b0e059fe8edcacf95c70d77db8498ef77..fe9d5c8718e6f10ad34ed97fea39cf5d855c2a47 100644
--- a/xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.h
+++ b/xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.h
@@ -10,19 +10,12 @@ class CBC_LuminanceSource;
 class CBC_BufferedImageLuminanceSource;
 class CBC_BufferedImageLuminanceSource : public CBC_LuminanceSource {
  public:
-  CBC_BufferedImageLuminanceSource(const CFX_WideString& filename);
-  CBC_BufferedImageLuminanceSource(CFX_DIBitmap* pBitmap);
+  explicit CBC_BufferedImageLuminanceSource(const CFX_WideString& filename);
+  explicit CBC_BufferedImageLuminanceSource(CFX_DIBitmap* pBitmap);
   virtual ~CBC_BufferedImageLuminanceSource();
-  CBC_LuminanceSource* RotateCounterClockwise(int32_t& e);
-  CBC_LuminanceSource* Crop(int32_t left,
-                            int32_t top,
-                            int32_t width,
-                            int32_t height);
 
   CFX_ByteArray* GetRow(int32_t y, CFX_ByteArray& row, int32_t& e);
   CFX_ByteArray* GetMatrix();
-  FX_BOOL IsCropSupported();
-  FX_BOOL IsRotateSupported();
   virtual void Init(int32_t& e);
 
  private: