Remove unused IPDFSDK_AnnotHandler::OnDrawSleep.

fpdfsdk/cpdfsdk_xfawidgethandler.cpp

 // Copyright 2016 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 "fpdfsdk/include/cpdfsdk_xfawidgethandler.h"
 
 #include "core/fpdfdoc/include/cpdf_interform.h"
 #include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h"
@@ skipping 50 matching lines @@
 
   FX_BOOL bIsHighlight = FALSE;
   if (pSDKDoc->GetFocusAnnot() != pAnnot)
     bIsHighlight = TRUE;
 
   pWidgetHandler->RenderWidget(pAnnot->GetXFAWidget(), &gs, &mt, bIsHighlight);
 
   // to do highlight and shadow
 }
 
-void CPDFSDK_XFAWidgetHandler::OnDrawSleep(CPDFSDK_PageView* pPageView,
-                                           CPDFSDK_Annot* pAnnot,
-                                           CFX_RenderDevice* pDevice,
-                                           CFX_Matrix* pUser2Device,
-                                           const CFX_FloatRect& rcWindow,
-                                           uint32_t dwFlags) {}
-
 void CPDFSDK_XFAWidgetHandler::OnCreate(CPDFSDK_Annot* pAnnot) {}
 
 void CPDFSDK_XFAWidgetHandler::OnLoad(CPDFSDK_Annot* pAnnot) {}
 
 void CPDFSDK_XFAWidgetHandler::OnDelete(CPDFSDK_Annot* pAnnot) {}
 
 void CPDFSDK_XFAWidgetHandler::OnRelease(CPDFSDK_Annot* pAnnot) {}
 
 void CPDFSDK_XFAWidgetHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
   CPDFSDK_XFAWidget* pWidget = reinterpret_cast<CPDFSDK_XFAWidget*>(pAnnot);
@@ skipping 284 matching lines @@
     dwFWLFlag |= FWL_KEYFLAG_MButton;
   if (dwFlag & FWL_EVENTFLAG_RightButtonDown)
     dwFWLFlag |= FWL_KEYFLAG_RButton;
   if (dwFlag & FWL_EVENTFLAG_ShiftKey)
     dwFWLFlag |= FWL_KEYFLAG_Shift;
   if (dwFlag & FWL_EVENTFLAG_AltKey)
     dwFWLFlag |= FWL_KEYFLAG_Alt;
 
   return dwFWLFlag;
 }