Make code compile with clang_use_chrome_plugin (part IV)

fpdfsdk/javascript/cjs_context.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 "fpdfsdk/javascript/cjs_context.h"
 
 #include "fpdfsdk/javascript/JS_EventHandler.h"
 #include "fpdfsdk/javascript/cjs_runtime.h"
@@ skipping 250 matching lines @@
 }
 
 void CJS_Context::OnConsole_Exec() {
   m_pEventHandler->OnConsole_Exec();
 }
 
 void CJS_Context::OnExternal_Exec() {
   m_pEventHandler->OnExternal_Exec();
 }
 
+void CJS_Context::EnableMessageBox(FX_BOOL bEnable) {
+  m_bMsgBoxEnable = bEnable;
+}
+
 void CJS_Context::OnBatchExec(CPDFSDK_Document* pTarget) {
   m_pEventHandler->OnBatchExec(pTarget);
 }
 
 void CJS_Context::OnMenu_Exec(CPDFSDK_Document* pTarget,
                               const CFX_WideString& strTargetName) {
   m_pEventHandler->OnMenu_Exec(pTarget, strTargetName);
 }