XFA: Remove dead code in CBC_BufferedImageLuminanceSource and friends.

xfa/src/fxbarcode/BC_BinaryBitmap.cpp

 // 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
 // Original code is licensed as follows:
 /*
  * Copyright 2009 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 29 matching lines @@
 int32_t CBC_BinaryBitmap::GetWidth() {
   return m_binarizer->GetLuminanceSource()->GetWidth();
 }
 CBC_CommonBitMatrix* CBC_BinaryBitmap::GetMatrix(int32_t& e) {
   if (m_matrix == NULL) {
     m_matrix = m_binarizer->GetBlackMatrix(e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   }
   return m_matrix;
 }
-FX_BOOL CBC_BinaryBitmap::IsCropSupported() {
-  return m_binarizer->GetLuminanceSource()->IsCropSupported();
-}
-FX_BOOL CBC_BinaryBitmap::IsRotateSupported() {
-  return m_binarizer->GetLuminanceSource()->IsRotateSupported();
-}
 CBC_CommonBitArray* CBC_BinaryBitmap::GetBlackRow(int32_t y,
                                                   CBC_CommonBitArray* row,
                                                   int32_t& e) {
   CBC_CommonBitArray* temp = m_binarizer->GetBlackRow(y, row, e);
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   return temp;
 }
 CBC_CommonBitMatrix* CBC_BinaryBitmap::GetBlackMatrix(int32_t& e) {
   if (m_matrix == NULL) {
     m_matrix = m_binarizer->GetBlackMatrix(e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   }
   return m_matrix;
 }