Remove the event URL security check out of the renderer and into the browser.

chrome/renderer/extensions/extension_helper.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 "chrome/renderer/extensions/extension_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 234 matching lines @@
                                           const std::string& error) {
   dispatcher_->OnExtensionResponse(request_id,
                                    success,
                                    response,
                                    error);
 }
 
 void ExtensionHelper::OnExtensionMessageInvoke(const std::string& extension_id,
                                                const std::string& function_name,
                                                const base::ListValue& args,
-                                               const GURL& event_url,
                                                bool user_gesture) {
   scoped_ptr<WebScopedUserGesture> web_user_gesture;
   if (user_gesture) {
     web_user_gesture.reset(new WebScopedUserGesture);
   }
 
   dispatcher_->v8_context_set().DispatchChromeHiddenMethod(
-      extension_id, function_name, args, render_view(), event_url);
+      extension_id, function_name, args, render_view());
 }
 
 void ExtensionHelper::OnExtensionDispatchOnConnect(
     int target_port_id,
     const std::string& channel_name,
     const base::DictionaryValue& source_tab,
     const ExtensionMsg_ExternalConnectionInfo& info) {
   MiscellaneousBindings::DispatchOnConnect(
       dispatcher_->v8_context_set().GetAll(),
       target_port_id, channel_name, source_tab,
@@ skipping 87 matching lines @@
   v8::Handle<v8::Context> script_context =
       render_view()->GetWebView()->mainFrame()->mainWorldScriptContext();
   ChromeV8Context* chrome_v8_context =
       dispatcher_->v8_context_set().GetByV8Context(script_context);
   if (!chrome_v8_context)
     return;
   chrome_v8_context->CallChromeHiddenMethod("OnAppWindowClosed", 0, NULL, NULL);
 }
 
 }  // namespace extensions