Make CPDF_Path have a CFX_Path rather than inheriting

core/fpdfapi/fpdf_page/fpdf_page_parser.cpp

Index: core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index 4712ea07259145476fb69a57bf626422993c4148..84564e96556f94ba006a78dd73ae696c7ab49823 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -1459,7 +1459,7 @@ void CPDF_StreamContentParser::AddPathObject(int FillType, FX_BOOL bStroke) {
   if (PathPointCount <= 1) {
     if (PathPointCount && PathClipType) {
       CPDF_Path path;
-      path.Emplace()->AppendRect(0, 0, 0, 0);
+      path.AppendRect(0, 0, 0, 0);
       m_pCurStates->m_ClipPath.AppendPath(path, FXFILL_WINDING, TRUE);
     }
     return;
@@ -1469,9 +1469,8 @@ void CPDF_StreamContentParser::AddPathObject(int FillType, FX_BOOL bStroke) {
     PathPointCount--;
   }
   CPDF_Path Path;
-  CFX_PathData* pPathData = Path.Emplace();
-  pPathData->SetPointCount(PathPointCount);
-  FXSYS_memcpy(pPathData->GetPoints(), m_pPathPoints,
+  Path.SetPointCount(PathPointCount);
+  FXSYS_memcpy(Path.GetMutablePoints(), m_pPathPoints,

[Lei Zhang, 2016/09/02 22:10:44]

It would be nice if CFX_PathData::m_pPoints was a std::vector. Some other day.

                sizeof(FX_PATHPOINT) * PathPointCount);
   CFX_Matrix matrix = m_pCurStates->m_CTM;
   matrix.Concat(m_mtContentToUser);