Enable isolated worlds for content scripts....

chrome/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2006-2009 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include "build/build_config.h"
@@ skipping 319 matching lines @@
     switches::kEnableWatchdog,
     switches::kMessageLoopHistogrammer,
     switches::kEnableDCHECK,
     switches::kSilentDumpOnDCHECK,
     switches::kUseLowFragHeapCrt,
     switches::kEnableStatsTable,
     switches::kAutoSpellCorrect,
     switches::kDisableAudio,
     switches::kSimpleDataSource,
     switches::kEnableBenchmarking,
-    switches::kIsolatedWorld,
   };
 
   for (size_t i = 0; i < arraysize(switch_names); ++i) {
     if (browser_command_line.HasSwitch(switch_names[i])) {
       cmd_line.AppendSwitchWithValue(switch_names[i],
           browser_command_line.GetSwitchValue(switch_names[i]));
     }
   }
 
   // Tell the renderer to enable extensions if there are any extensions loaded.
@@ skipping 618 matching lines @@
 void BrowserRenderProcessHost::OnExtensionRemoveListener(
     const std::string& event_name) {
   ExtensionMessageService::GetInstance(profile()->GetRequestContext())->
       RemoveEventListener(event_name, pid());
 }
 
 void BrowserRenderProcessHost::OnExtensionCloseChannel(int port_id) {
   ExtensionMessageService::GetInstance(profile()->GetRequestContext())->
       CloseChannel(port_id);
 }