Remove unneccessary arguments from extensions::DispatcherDelegate

extensions/renderer/dispatcher.cc

 // Copyright 2014 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 "extensions/renderer/dispatcher.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 286 matching lines @@
   }
 
   UpdateBindingsForContext(context);
 
   bool is_within_platform_app = IsWithinPlatformApp();
   // Inject custom JS into the platform app context.
   if (is_within_platform_app) {
     module_system->Require("platformApp");
   }
 
-  delegate_->RequireAdditionalModules(
-      module_system, extension, context_type, is_within_platform_app);
+  delegate_->RequireAdditionalModules(context, is_within_platform_app);
 
   VLOG(1) << "Num tracked contexts: " << script_context_set_.size();
 }
 
 void Dispatcher::WillReleaseScriptContext(
     WebFrame* frame,
     const v8::Handle<v8::Context>& v8_context,
     int world_id) {
   ScriptContext* context = script_context_set_.GetByV8Context(v8_context);
   if (!context)
@@ skipping 967 matching lines @@
     return v8::Handle<v8::Object>();
 
   if (bind_name)
     *bind_name = split.back();
 
   return bind_object.IsEmpty() ? AsObjectOrEmpty(GetOrCreateChrome(context))
                                : bind_object;
 }
 
 }  // namespace extensions