Clean up CPDF_Page.

core/fpdfapi/fpdf_render/fpdf_render.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 "core/fpdfapi/fpdf_font/cpdf_type3char.h"
 #include "core/fpdfapi/fpdf_font/cpdf_type3font.h"
@@ skipping 83 matching lines @@
 
  private:
   ~CPDF_RenderModule() override {}
 
   CPDF_DocRenderData* CreateDocData(CPDF_Document* pDoc) override;
   void DestroyDocData(CPDF_DocRenderData* p) override;
   void ClearDocData(CPDF_DocRenderData* p) override;
 
   CPDF_DocRenderData* GetRenderData() override { return &m_RenderData; }
 
-  CPDF_PageRenderCache* CreatePageCache(CPDF_Page* pPage) override {
-    return new CPDF_PageRenderCache(pPage);
-  }
-
-  void DestroyPageCache(CPDF_PageRenderCache* pCache) override;
-
   CPDF_DocRenderData m_RenderData;
 };
 
 CPDF_DocRenderData* CPDF_RenderModule::CreateDocData(CPDF_Document* pDoc) {
   return new CPDF_DocRenderData(pDoc);
 }
 void CPDF_RenderModule::DestroyDocData(CPDF_DocRenderData* pDocData) {
   delete pDocData;
 }
 void CPDF_RenderModule::ClearDocData(CPDF_DocRenderData* p) {
   if (p) {
     p->Clear(FALSE);
   }
 }
-void CPDF_RenderModule::DestroyPageCache(CPDF_PageRenderCache* pCache) {
-  delete pCache;
-}
-
 void CPDF_ModuleMgr::InitRenderModule() {
   m_pRenderModule.reset(new CPDF_RenderModule);
 }
 
 CPDF_RenderOptions::CPDF_RenderOptions()
     : m_ColorMode(RENDER_COLOR_NORMAL),
       m_Flags(RENDER_CLEARTYPE),
       m_Interpolation(0),
       m_AddFlags(0),
       m_pOCContext(NULL),
@@ skipping 1195 matching lines @@
   m_pContext->GetBackground(m_pBitmapDevice->GetBitmap(), m_pObject, pOptions,
                             &m_Matrix);
   return TRUE;
 }
 void CPDF_ScaledRenderBuffer::OutputToDevice() {
   if (m_pBitmapDevice) {
     m_pDevice->StretchDIBits(m_pBitmapDevice->GetBitmap(), m_Rect.left,
                              m_Rect.top, m_Rect.Width(), m_Rect.Height());
   }
 }