Remove CFX_PtrList from renderer main loop.

core/src/fpdfapi/fpdf_font/fpdf_font.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/src/fpdfapi/fpdf_font/font_int.h"
 
 #include "core/src/fpdfapi/fpdf_page/pageint.h"
 #include "core/include/fpdfapi/fpdf_module.h"
@@ skipping 1688 matching lines @@
 
   char_rect.Transform(&m_FontMatrix);
   rcBBox.left = FXSYS_round(char_rect.left * 1000);
   rcBBox.right = FXSYS_round(char_rect.right * 1000);
   rcBBox.top = FXSYS_round(char_rect.top * 1000);
   rcBBox.bottom = FXSYS_round(char_rect.bottom * 1000);
 
   ASSERT(!pdfium::ContainsKey(m_CacheMap, charcode));
   CPDF_Type3Char* pCachedChar = pNewChar.release();
   m_CacheMap[charcode] = pCachedChar;
-  if (pCachedChar->m_pForm->GetPageObjectList()->GetCount() == 0) {
+  if (pCachedChar->m_pForm->GetPageObjectList()->empty()) {
     delete pCachedChar->m_pForm;
     pCachedChar->m_pForm = nullptr;
   }
   return pCachedChar;
 }
 
 int CPDF_Type3Font::GetCharWidthF(FX_DWORD charcode, int level) {
   if (charcode >= FX_ArraySize(m_CharWidthL))
     charcode = 0;
 
@@ skipping 16 matching lines @@
   rect = pChar->m_BBox;
 }
 
 CPDF_Type3Char::CPDF_Type3Char(CPDF_Form* pForm)
     : m_pForm(pForm), m_pBitmap(nullptr), m_bColored(FALSE) {}
 
 CPDF_Type3Char::~CPDF_Type3Char() {
   delete m_pForm;
   delete m_pBitmap;
 }