Cleanup: make ExtensionRequestSender manage its IPC responses directly, rather

chrome/renderer/extensions/extension_dispatcher.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_dispatcher.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_piece.h"
@@ skipping 972 matching lines @@
 
   if (extensions_.ExtensionBindingsAllowed(url_info))
     return Feature::UNBLESSED_EXTENSION_CONTEXT;
 
   if (url_info.url().is_valid())
     return Feature::WEB_PAGE_CONTEXT;
 
   return Feature::UNSPECIFIED_CONTEXT;
 }
 
-void ExtensionDispatcher::OnExtensionResponse(int request_id,
-                                              bool success,
-                                              const base::ListValue& response,
-                                              const std::string& error) {
-  request_sender_->HandleResponse(request_id, success, response, error);
-}
-
 bool ExtensionDispatcher::CheckCurrentContextAccessToExtensionAPI(
     const std::string& function_name) const {
   ChromeV8Context* context = v8_context_set().GetCurrent();
   if (!context) {
     DLOG(ERROR) << "Not in a v8::Context";
     return false;
   }
 
   if (!context->extension() ||
       !context->extension()->HasAPIPermission(function_name)) {
@@ skipping 20 matching lines @@
   // APIs, they don't get extension bindings injected. If we end up here it
   // means that a sandboxed page somehow managed to invoke an API anyway, so
   // we should abort.
   WebKit::WebFrame* frame = context->web_frame();
   ExtensionURLInfo url_info(frame->document().securityOrigin(),
       UserScriptSlave::GetDataSourceURLForFrame(frame));
   CHECK(!extensions_.IsSandboxedPage(url_info));
 
   return true;
 }