Get rid of most uses of CFX_PtrArray.

core/include/fpdfapi/fpdf_render.h

 // 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
 
 #ifndef CORE_INCLUDE_FPDFAPI_FPDF_RENDER_H_
 #define CORE_INCLUDE_FPDFAPI_FPDF_RENDER_H_
 
 #include "core/include/fxge/fx_ge.h"
@@ skipping 215 matching lines @@
                                FX_ARGB fill_argb);
 };
 class CPDF_PageRenderCache {
  public:
   CPDF_PageRenderCache(CPDF_Page* pPage) {
     m_pPage = pPage;
     m_nTimeCount = 0;
     m_nCacheSize = 0;
     m_pCurImageCache = NULL;
     m_bCurFindCache = FALSE;
-    m_pCurImageCaches = NULL;
   }
   ~CPDF_PageRenderCache() { ClearAll(); }
   void ClearAll();
   void ClearImageData();
 
   FX_DWORD EstimateSize();
   void CacheOptimization(int32_t dwLimitCacheSize);
   FX_DWORD GetCachedSize(CPDF_Stream* pStream) const;
   FX_DWORD GetTimeCount() const { return m_nTimeCount; }
   void SetTimeCount(FX_DWORD dwTimeCount) { m_nTimeCount = dwTimeCount; }
@@ skipping 18 matching lines @@
   FX_BOOL StartGetCachedBitmap(CPDF_Stream* pStream,
                                FX_BOOL bStdCS = FALSE,
                                FX_DWORD GroupFamily = 0,
                                FX_BOOL bLoadMask = FALSE,
                                CPDF_RenderStatus* pRenderStatus = NULL,
                                int32_t downsampleWidth = 0,
                                int32_t downsampleHeight = 0);
 
   FX_BOOL Continue(IFX_Pause* pPause);
   CPDF_ImageCache* m_pCurImageCache;
-  CFX_PtrArray* m_pCurImageCaches;
 
  protected:
   friend class CPDF_Page;
   CPDF_Page* m_pPage;
 
   FX_DWORD m_nTimeCount;
   FX_DWORD m_nCacheSize;
   FX_BOOL m_bCurFindCache;
 };
 class CPDF_RenderConfig {
  public:
   CPDF_RenderConfig();
   ~CPDF_RenderConfig();
   int m_HalftoneLimit;
   int m_RenderStepLimit;
 };
 
 FX_BOOL IsAvailableMatrix(const CFX_AffineMatrix& matrix);
 
 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_RENDER_H_