Cleanup IFWL_Adapter interfaces.

xfa/fwl/basewidget/fwl_editimp.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/basewidget/fwl_editimp.h"
 
 #include <algorithm>
 #include <vector>
@@ skipping 253 matching lines @@
       if (IsShowScrollBar(FALSE)) {
         FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>(
             GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
         rect.height += *pfWidth;
         rect.height += FWL_EDIT_Margin;
       }
     }
   }
   return FWL_ERR_Succeeded;
 }
-FWL_ERR CFWL_EditImp::SetStates(uint32_t dwStates, FX_BOOL bSet) {
+
+void CFWL_EditImp::SetStates(uint32_t dwStates, FX_BOOL bSet) {
   if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible) ||
       (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
     ShowCaret(FALSE);
   }
-  return CFWL_WidgetImp::SetStates(dwStates, bSet);
+  CFWL_WidgetImp::SetStates(dwStates, bSet);
 }
+
 FWL_ERR CFWL_EditImp::SetWidgetRect(const CFX_RectF& rect) {
   return CFWL_WidgetImp::SetWidgetRect(rect);
 }
 FWL_ERR CFWL_EditImp::Update() {
   if (IsLocked()) {
     return FWL_ERR_Indefinite;
   }
   if (!m_pProperties->m_pThemeProvider) {
     m_pProperties->m_pThemeProvider = GetAvailableTheme();
   }
@@ skipping 1880 matching lines @@
     }
     CFX_RectF rect;
     m_pOwner->GetWidgetRect(rect);
     CFX_RectF rtInvalidate;
     rtInvalidate.Set(0, 0, rect.width + 2, rect.height + 2);
     m_pOwner->Repaint(&rtInvalidate);
   }
   return TRUE;
 }
 void CFWL_EditImpDelegate::DoCursor(CFWL_MsgMouse* pMsg) {}