WebUI: DisallowJavascript only on Refresh and non-same-page navigations

content/browser/webui/web_ui_message_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/browser/web_ui_message_handler.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 55 matching lines @@
 
 base::string16 WebUIMessageHandler::ExtractStringValue(
     const base::ListValue* value) {
   base::string16 string16_value;
   if (value->GetString(0, &string16_value))
     return string16_value;
   NOTREACHED();
   return base::string16();
 }
 
-void WebUIMessageHandler::RenderViewReused() {
-  DisallowJavascript();
-}
-
 void WebUIMessageHandler::ResolveJavascriptCallback(
     const base::Value& callback_id,
     const base::Value& response) {
   // cr.webUIResponse is a global JS function exposed from cr.js.
   CallJavascriptFunction("cr.webUIResponse", callback_id,
                          base::FundamentalValue(true), response);
 }
 
 void WebUIMessageHandler::RejectJavascriptCallback(
     const base::Value& callback_id,
     const base::Value& response) {
   // cr.webUIResponse is a global JS function exposed from cr.js.
   CallJavascriptFunction("cr.webUIResponse", callback_id,
                          base::FundamentalValue(false), response);
 }
 
 }  // namespace content