Remove FwlEventMask

xfa/fwl/core/ifwl_widget.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 "xfa/fwl/core/ifwl_widget.h"
 
 #include <algorithm>
 #include <utility>
@@ skipping 566 matching lines @@
     rtPopup.Set(rtAnchor.left, rtAnchor.top - rtPopup.height, rtPopup.width,
                 rtPopup.height);
   } else {
     rtPopup.Set(rtAnchor.left, rtAnchor.bottom(), rtPopup.width,
                 rtPopup.height);
   }
   rtPopup.Offset(fx, fy);
   return true;
 }
 
-void IFWL_Widget::RegisterEventTarget(IFWL_Widget* pEventSource,
-                                      uint32_t dwFilter) {
+void IFWL_Widget::RegisterEventTarget(IFWL_Widget* pEventSource) {
   const IFWL_App* pApp = GetOwnerApp();
   if (!pApp)
     return;
 
   CFWL_NoteDriver* pNoteDriver = pApp->GetNoteDriver();
   if (!pNoteDriver)
     return;
 
-  pNoteDriver->RegisterEventTarget(this, pEventSource, dwFilter);
+  pNoteDriver->RegisterEventTarget(this, pEventSource);
 }
 
 void IFWL_Widget::UnregisterEventTarget() {
   const IFWL_App* pApp = GetOwnerApp();
   if (!pApp)
     return;
 
   CFWL_NoteDriver* pNoteDriver = pApp->GetNoteDriver();
   if (!pNoteDriver)
     return;
@@ skipping 196 matching lines @@
     }
     default:
       break;
   }
 }
 
 void IFWL_Widget::OnProcessEvent(CFWL_Event* pEvent) {}
 
 void IFWL_Widget::OnDrawWidget(CFX_Graphics* pGraphics,
                                const CFX_Matrix* pMatrix) {}