Use actual type instead CFX_Deletable

fpdfsdk/fpdf_progressive.cpp

Index: fpdfsdk/fpdf_progressive.cpp
diff --git a/fpdfsdk/fpdf_progressive.cpp b/fpdfsdk/fpdf_progressive.cpp
index efde1eb029fa918f308e6adc2af60f1819e157a4..5e7512354273632bdda242cb0d1951ff5b6551f5 100644
--- a/fpdfsdk/fpdf_progressive.cpp
+++ b/fpdfsdk/fpdf_progressive.cpp
@@ -8,9 +8,11 @@
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_progressiverenderer.h"
+#include "core/fpdfapi/include/rendercontext.h"
+#include "core/fxcrt/include/fx_memory.h"
 #include "core/fxge/include/fx_ge.h"
 #include "fpdfsdk/include/fsdk_define.h"
-#include "fpdfsdk/include/fsdk_rendercontext.h"
+#include "fpdfsdk/include/fsdk_pauseadapter.h"
 #include "public/fpdfview.h"
 
 // These checks are here because core/ and public/ cannot depend on each other.
@@ -41,9 +43,9 @@ DLLEXPORT int STDCALL FPDF_RenderPageBitmap_Start(FPDF_BITMAP bitmap,
     return FPDF_RENDER_FAILED;
 
   CRenderContext* pContext = new CRenderContext;
-  pPage->SetRenderContext(std::unique_ptr<CFX_Deletable>(pContext));
+  pPage->SetRenderContext(WrapUnique(pContext));
   CFX_FxgeDevice* pDevice = new CFX_FxgeDevice;
-  pContext->m_pDevice = pDevice;
+  pContext->m_pDevice.reset(pDevice);
   CFX_DIBitmap* pBitmap = CFXBitmapFromFPDFBitmap(bitmap);
   pDevice->Attach(pBitmap, !!(flags & FPDF_REVERSE_BYTE_ORDER), nullptr, false);
 
@@ -67,8 +69,7 @@ DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page,
   if (!pPage)
     return FPDF_RENDER_FAILED;
 
-  CRenderContext* pContext =
-      static_cast<CRenderContext*>(pPage->GetRenderContext());
+  CRenderContext* pContext = pPage->GetRenderContext();
   if (pContext && pContext->m_pRenderer) {
     IFSDK_PAUSE_Adapter IPauseAdapter(pause);
     pContext->m_pRenderer->Continue(&IPauseAdapter);
@@ -83,11 +84,10 @@ DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page) {
   if (!pPage)
     return;
 
-  CRenderContext* pContext =
-      static_cast<CRenderContext*>(pPage->GetRenderContext());
+  CRenderContext* pContext = pPage->GetRenderContext();
   if (!pContext)
     return;
 
   pContext->m_pDevice->RestoreState(false);
-  pPage->SetRenderContext(std::unique_ptr<CFX_Deletable>());
+  pPage->SetRenderContext(std::unique_ptr<CRenderContext>());
 }