Remove unneeded extension_messages_browsertest.cc + cleanup.

chrome/renderer/chrome_content_renderer_client.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/chrome_content_renderer_client.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 623 matching lines @@
   }
 }
 
 bool ChromeContentRendererClient::RunIdleHandlerWhenWidgetsHidden() {
   return !extension_dispatcher_->is_extension_process();
 }
 
 bool ChromeContentRendererClient::AllowPopup(const GURL& creator) {
   ChromeV8Context* current_context =
       extension_dispatcher_->v8_context_set().GetCurrent();
-  return current_context && !current_context->extension_id().empty();
+  return current_context && current_context->extension();
 }
 
 bool ChromeContentRendererClient::ShouldFork(WebFrame* frame,
                                              const GURL& url,
                                              bool is_initial_navigation,
                                              bool* send_referrer) {
   DCHECK(!frame->parent());
 
   // If |url| matches one of the prerendered URLs, stop this navigation and try
   // to swap in the prerendered page on the browser process. If the prerendered
@@ skipping 204 matching lines @@
 bool ChromeContentRendererClient::IsOtherExtensionWithWebRequestInstalled() {
   return extension_dispatcher_->IsOtherExtensionWithWebRequestInstalled();
 }
 
 void ChromeContentRendererClient::RegisterPPAPIInterfaceFactories(
     webkit::ppapi::PpapiInterfaceFactoryManager* factory_manager) {
   factory_manager->RegisterFactory(ChromePPAPIInterfaceFactory);
 }
 
 }  // namespace chrome