Make CPDF_Path have a CFX_Path rather than inheriting

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 600 matching lines @@
                                                 FX_BOOL bFill,
                                                 FX_BOOL bStroke) {
   if (!bStroke) {
     CPDF_PathObject path;
     std::vector<std::unique_ptr<CPDF_TextObject>> pCopy;
     pCopy.push_back(std::unique_ptr<CPDF_TextObject>(textobj->Clone()));
     path.m_bStroke = FALSE;
     path.m_FillType = FXFILL_WINDING;
     path.m_ClipPath.AppendTexts(&pCopy);
     path.m_ColorState = textobj->m_ColorState;
-    path.m_Path.Emplace()->AppendRect(textobj->m_Left, textobj->m_Bottom,
-                                      textobj->m_Right, textobj->m_Top);
+    path.m_Path.AppendRect(textobj->m_Left, textobj->m_Bottom, textobj->m_Right,
+                           textobj->m_Top);
     path.m_Left = textobj->m_Left;
     path.m_Bottom = textobj->m_Bottom;
     path.m_Right = textobj->m_Right;
     path.m_Top = textobj->m_Top;
     RenderSingleObject(&path, pObj2Device);
     return;
   }
   CFX_FontCache* pCache;
   if (pFont->m_pDocument) {
     pCache = pFont->m_pDocument->GetRenderData()->GetFontCache();
@@ skipping 25 matching lines @@
     }
     CPDF_PathObject path;
     path.m_GraphState = textobj->m_GraphState;
     path.m_ColorState = textobj->m_ColorState;
     CFX_Matrix matrix;
     if (charpos.m_bGlyphAdjust)
       matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
                  charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
     matrix.Concat(font_size, 0, 0, font_size, charpos.m_OriginX,
                   charpos.m_OriginY);
-    path.m_Path.Emplace()->Append(pPath, &matrix);
+    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);
   }
 }