Remove CFX_Matrix::Copy() in favor of assignment

core/fpdfapi/fpdf_render/fpdf_render_text.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
 
 #include "core/fpdfapi/fpdf_render/render_int.h"
 
 #include <vector>
 
@@ skipping 100 matching lines @@
     return TRUE;
   }
   if (bClip || bStroke) {
     const CFX_Matrix* pDeviceMatrix = pObj2Device;
     CFX_Matrix device_matrix;
     if (bStroke) {
       const FX_FLOAT* pCTM = textobj->m_TextState.GetCTM();
       if (pCTM[0] != 1.0f || pCTM[3] != 1.0f) {
         CFX_Matrix ctm(pCTM[0], pCTM[1], pCTM[2], pCTM[3], 0, 0);
         text_matrix.ConcatInverse(ctm);
-        device_matrix.Copy(ctm);
+        device_matrix = ctm;
         device_matrix.Concat(*pObj2Device);
         pDeviceMatrix = &device_matrix;
       }
     }
     int flag = 0;
     if (bStroke && bFill) {
       flag |= FX_FILL_STROKE;
       flag |= FX_STROKE_TEXT_MODE;
     }
     if (textobj->m_GeneralState.GetStrokeAdjust())
@@ skipping 534 matching lines @@
     matrix.Concat(font_size, 0, 0, font_size, charpos.m_OriginX,
                   charpos.m_OriginY);
     path.m_Path.Append(pPath, &matrix);
     path.m_Matrix = *pTextMatrix;
     path.m_bStroke = bStroke;
     path.m_FillType = bFill ? FXFILL_WINDING : 0;
     path.CalcBoundingBox();
     ProcessPath(&path, pObj2Device);
   }
 }