Remove unused code.

xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h

Index: xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h
diff --git a/xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h b/xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h
deleted file mode 100644
index 8a5fd26f2281abccd2e3631b9a5d7771d95bf2e9..0000000000000000000000000000000000000000
--- a/xfa/fxbarcode/common/BC_CommonPerspectiveTransform.h
+++ /dev/null
@@ -1,66 +0,0 @@
-// 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 XFA_FXBARCODE_COMMON_BC_COMMONPERSPECTIVETRANSFORM_H_
-#define XFA_FXBARCODE_COMMON_BC_COMMONPERSPECTIVETRANSFORM_H_
-
-#include "core/fxcrt/include/fx_basic.h"
-
-class CBC_CommonPerspectiveTransform {
- public:
-  CBC_CommonPerspectiveTransform(FX_FLOAT a11,
-                                 FX_FLOAT a21,
-                                 FX_FLOAT a31,
-                                 FX_FLOAT a12,
-                                 FX_FLOAT a22,
-                                 FX_FLOAT a32,
-                                 FX_FLOAT a13,
-                                 FX_FLOAT a23,
-                                 FX_FLOAT a33);
-  virtual ~CBC_CommonPerspectiveTransform();
-
-  static CBC_CommonPerspectiveTransform* QuadrilateralToQuadrilateral(
-      FX_FLOAT x0,
-      FX_FLOAT y0,
-      FX_FLOAT x1,
-      FX_FLOAT y1,
-      FX_FLOAT x2,
-      FX_FLOAT y2,
-      FX_FLOAT x3,
-      FX_FLOAT y3,
-      FX_FLOAT x0p,
-      FX_FLOAT y0p,
-      FX_FLOAT x1p,
-      FX_FLOAT y1p,
-      FX_FLOAT x2p,
-      FX_FLOAT y2p,
-      FX_FLOAT x3p,
-      FX_FLOAT y3p);
-  static CBC_CommonPerspectiveTransform* SquareToQuadrilateral(FX_FLOAT x0,
-                                                               FX_FLOAT y0,
-                                                               FX_FLOAT x1,
-                                                               FX_FLOAT y1,
-                                                               FX_FLOAT x2,
-                                                               FX_FLOAT y2,
-                                                               FX_FLOAT x3,
-                                                               FX_FLOAT y3);
-  static CBC_CommonPerspectiveTransform* QuadrilateralToSquare(FX_FLOAT x0,
-                                                               FX_FLOAT y0,
-                                                               FX_FLOAT x1,
-                                                               FX_FLOAT y1,
-                                                               FX_FLOAT x2,
-                                                               FX_FLOAT y2,
-                                                               FX_FLOAT x3,
-                                                               FX_FLOAT y3);
-  CBC_CommonPerspectiveTransform* BuildAdjoint();
-  CBC_CommonPerspectiveTransform* Times(CBC_CommonPerspectiveTransform& other);
-  void TransformPoints(CFX_FloatArray* points);
-
- private:
-  FX_FLOAT m_a11, m_a12, m_a13, m_a21, m_a22, m_a23, m_a31, m_a32, m_a33;
-};
-
-#endif  // XFA_FXBARCODE_COMMON_BC_COMMONPERSPECTIVETRANSFORM_H_