Remove unused widget handler overrides

fpdfsdk/cpdfsdk_annothandlermgr.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/cpdfsdk_annothandlermgr.h"
 
 #include "core/fpdfdoc/cpdf_annot.h"
 #include "fpdfsdk/cba_annotiterator.h"
@@ skipping 38 matching lines @@
   ASSERT(pAnnot);
   ASSERT(pPageView);
 
   return GetAnnotHandler(CPDF_Annot::Subtype::XFAWIDGET)
       ->NewAnnot(pAnnot, pPageView);
 }
 #endif  // PDF_ENABLE_XFA
 
 void CPDFSDK_AnnotHandlerMgr::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
   IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot);
-  pAnnotHandler->OnRelease(pAnnot);
   pAnnotHandler->ReleaseAnnot(pAnnot);
 }
 
 void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot) {
   CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
 
   CPDFSDK_DateTime curTime;
   pPDFAnnot->GetAnnotDict()->SetStringFor("M", curTime.ToPDFDateTimeString());
   pPDFAnnot->GetAnnotDict()->SetNumberFor("F", 0);
-
-  GetAnnotHandler(pAnnot)->OnCreate(pAnnot);
 }
 
 void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot) {
   ASSERT(pAnnot);
   GetAnnotHandler(pAnnot)->OnLoad(pAnnot);
 }
 
 IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(
     CPDFSDK_Annot* pAnnot) const {
   return GetAnnotHandler(pAnnot->GetAnnotSubtype());
@@ skipping 218 matching lines @@
       bNext ? pWidgetIterator->MoveToNext() : pWidgetIterator->MoveToPrevious();
   if (!hNextFocus && pSDKAnnot)
     hNextFocus = pWidgetIterator->MoveToFirst();
 
   return pPageView->GetAnnotByXFAWidget(hNextFocus);
 #else   // PDF_ENABLE_XFA
   CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), CPDF_Annot::Subtype::WIDGET);
   return bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot);
 #endif  // PDF_ENABLE_XFA
 }