Cleaning up nits in fwl/core files.

xfa/fwl/core/ifwl_checkbox.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_checkbox.h"
 
 #include <algorithm>
 
@@ skipping 356 matching lines @@
     wmCheckBoxState.m_pSrcTarget = this;
     DispatchEvent(&wmCheckBoxState);
   }
 }
 
 void IFWL_CheckBox::OnProcessMessage(CFWL_Message* pMessage) {
   if (!pMessage)
     return;
 
   switch (pMessage->GetClassID()) {
-    case CFWL_MessageType::Activate:
-      OnActivate(pMessage);
-      break;
     case CFWL_MessageType::SetFocus:
       OnFocusChanged(pMessage, true);
       break;
     case CFWL_MessageType::KillFocus:
       OnFocusChanged(pMessage, false);
       break;
     case CFWL_MessageType::Mouse: {
       CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
       switch (pMsg->m_dwCmd) {
         case FWL_MouseCommand::LeftButtonDown:
@@ skipping 24 matching lines @@
   }
 
   IFWL_Widget::OnProcessMessage(pMessage);
 }
 
 void IFWL_CheckBox::OnDrawWidget(CFX_Graphics* pGraphics,
                                  const CFX_Matrix* pMatrix) {
   DrawWidget(pGraphics, pMatrix);
 }
 
-void IFWL_CheckBox::OnActivate(CFWL_Message* pMsg) {
-  m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Deactivated;
-  Repaint(&(m_rtClient));
-}
-
 void IFWL_CheckBox::OnFocusChanged(CFWL_Message* pMsg, bool bSet) {
   if (bSet)
     m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
   else
     m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
 
   Repaint(&(m_rtClient));
 }
 
 void IFWL_CheckBox::OnLButtonDown(CFWL_MsgMouse* pMsg) {
@@ skipping 71 matching lines @@
 void IFWL_CheckBox::OnKeyDown(CFWL_MsgKey* pMsg) {
   if (pMsg->m_dwKeyCode == FWL_VKEY_Tab) {
     DispatchKeyEvent(pMsg);
     return;
   }
   if (pMsg->m_dwKeyCode == FWL_VKEY_Return ||
       pMsg->m_dwKeyCode == FWL_VKEY_Space) {
     NextStates();
   }
 }