Kill off some dodgy JS callbacks

fpdfsdk/src/javascript/JS_Object.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 "../../include/javascript/JavaScript.h"
 #include "../../include/javascript/IJavaScript.h"
 #include "../../include/javascript/JS_Define.h"
 #include "../../include/javascript/JS_Object.h"
@@ skipping 69 matching lines @@
         return pTimer;
 }
 
 void CJS_EmbedObj::EndTimer(CJS_Timer* pTimer)
 {
         ASSERT(pTimer != NULL);
         pTimer->KillJSTimer();
         delete pTimer;
 }
 
-FX_BOOL CJS_EmbedObj::IsSafeMode(IFXJS_Context* cc)
-{
-        ASSERT(cc != NULL);
-
-        return TRUE;
-}
-
 /* ---------------------------------  CJS_Object --------------------------------- */
 void  FreeObject(const v8::WeakCallbackData<v8::Object, CJS_Object>& data)
 {
         CJS_Object* pJSObj  = data.GetParameter();
         if(pJSObj)
         {
                 pJSObj->ExitInstance();
                 delete pJSObj;
         }
         v8::Local<v8::Object> obj = data.GetValue();
@@ skipping 36 matching lines @@
 
         if (pContext->IsMsgBoxEnabled())
         {
                 CPDFDoc_Environment* pApp = pContext->GetReaderApp();
                 if(pApp)
                         pApp->JS_appAlert(swMsg, NULL, 0, 3);
         }
 }