Remove unused IPDFSDK_AnnotHandler::OnDrawSleep.

fpdfsdk/cpdfsdk_widgethandler.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_widgethandler.h"
 
 #include <memory>
 #include <vector>
@@ skipping 84 matching lines @@
                                    CFX_Matrix* pUser2Device) {
   if (pAnnot->IsSignatureWidget()) {
     static_cast<CPDFSDK_BAAnnot*>(pAnnot)->DrawAppearance(
         pDevice, pUser2Device, CPDF_Annot::Normal, nullptr);
   } else {
     if (m_pFormFiller)
       m_pFormFiller->OnDraw(pPageView, pAnnot, pDevice, pUser2Device);
   }
 }
 
-void CPDFSDK_WidgetHandler::OnDrawSleep(CPDFSDK_PageView* pPageView,
-                                        CPDFSDK_Annot* pAnnot,
-                                        CFX_RenderDevice* pDevice,
-                                        CFX_Matrix* pUser2Device,
-                                        const CFX_FloatRect& rcWindow,
-                                        uint32_t dwFlags) {}
-
 void CPDFSDK_WidgetHandler::OnDelete(CPDFSDK_Annot* pAnnot) {}
 
 void CPDFSDK_WidgetHandler::OnRelease(CPDFSDK_Annot* pAnnot) {}
 
 void CPDFSDK_WidgetHandler::OnMouseEnter(CPDFSDK_PageView* pPageView,
                                          CPDFSDK_Annot* pAnnot,
                                          uint32_t nFlag) {
   if (!pAnnot->IsSignatureWidget() && m_pFormFiller)
     m_pFormFiller->OnMouseEnter(pPageView, pAnnot, nFlag);
 }
@@ skipping 175 matching lines @@
 
 FX_BOOL CPDFSDK_WidgetHandler::HitTest(CPDFSDK_PageView* pPageView,
                                        CPDFSDK_Annot* pAnnot,
                                        const CFX_FloatPoint& point) {
   ASSERT(pPageView);
   ASSERT(pAnnot);
 
   CFX_FloatRect rect = GetViewBBox(pPageView, pAnnot);
   return rect.Contains(point.x, point.y);
 }