Cleaning up nits in fwl/core files.

xfa/fwl/core/ifwl_comboboxproxy.cpp

Index: xfa/fwl/core/ifwl_comboboxproxy.cpp
diff --git a/xfa/fwl/core/ifwl_comboboxproxy.cpp b/xfa/fwl/core/ifwl_comboboxproxy.cpp
index e7ce1bd77dd6d9d93b9f1d42a29cafa325111c0a..2ca65d7f692268f9d51e3b99c65a6054e3fbb2ef 100644
--- a/xfa/fwl/core/ifwl_comboboxproxy.cpp
+++ b/xfa/fwl/core/ifwl_comboboxproxy.cpp
@@ -41,9 +41,6 @@ void IFWL_ComboBoxProxy::OnProcessMessage(CFWL_Message* pMessage) {
       }
       break;
     }
-    case CFWL_MessageType::Deactivate:
-      OnDeactive(static_cast<CFWL_MsgDeactivate*>(pMessage));
-      break;
     case CFWL_MessageType::KillFocus:
       OnFocusChanged(static_cast<CFWL_MsgKillFocus*>(pMessage), false);
       break;
@@ -103,10 +100,6 @@ void IFWL_ComboBoxProxy::OnLButtonUp(CFWL_MsgMouse* pMsg) {
   }
 }
 
-void IFWL_ComboBoxProxy::OnDeactive(CFWL_MsgDeactivate* pMsg) {
-  m_pComboBox->ShowDropList(false);
-}
-
 void IFWL_ComboBoxProxy::OnFocusChanged(CFWL_MsgKillFocus* pMsg, bool bSet) {
   if (bSet)
     return;