Removing unused method TransformationMatrix::rectToRect()

Source/platform/transforms/TransformationMatrix.cpp

 /*
  * Copyright (C) 2005, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2009 Torch Mobile, Inc.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 1070 matching lines @@
 TransformationMatrix& TransformationMatrix::applyPerspective(double p)
 {
     TransformationMatrix mat;
     if (p != 0)
         mat.m_matrix[2][3] = -1/p;
 
     multiply(mat);
     return *this;
 }
 
-TransformationMatrix TransformationMatrix::rectToRect(const FloatRect& from, const FloatRect& to)
-{
-    ASSERT(!from.isEmpty());
-    return TransformationMatrix(to.width() / from.width(),
-                                0, 0,
-                                to.height() / from.height(),
-                                to.x() - from.x(),
-                                to.y() - from.y());
-}
-
 // this = mat * this.
 TransformationMatrix& TransformationMatrix::multiply(const TransformationMatrix& mat)
 {
 #if CPU(ARM64)
     double* rightMatrix = &(m_matrix[0][0]);
     const double* leftMatrix = &(mat.m_matrix[0][0]);
     asm volatile(
         // Load mat.m_matrix to v16 - v23.
         // Load this.m_matrix to v24 - v31.
         // Result: this = mat * this
@@ skipping 579 matching lines @@
     ret.setDouble(2, 2, matrix.m33());
     ret.setDouble(2, 3, matrix.m43());
     ret.setDouble(3, 0, matrix.m14());
     ret.setDouble(3, 1, matrix.m24());
     ret.setDouble(3, 2, matrix.m34());
     ret.setDouble(3, 3, matrix.m44());
     return ret;
 }
 
 }