Add support for a "split" incognito behavior for extensions.

chrome/browser/extensions/extension_idle_api.cc

 // Copyright (c) 2010 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.
 
 // This implementation supposes a single extension thread and synchronized
 // method invokation.
 
 #include "chrome/browser/extensions/extension_idle_api.h"
 
 #include <string>
@@ skipping 135 matching lines @@
 
 void ExtensionIdleEventRouter::OnIdleStateChange(Profile* profile,
                                                  IdleState state) {
   // Prepare the single argument of the current state.
   ListValue args;
   args.Append(CreateIdleValue(state));
   std::string json_args;
   base::JSONWriter::Write(&args, false, &json_args);
 
   profile->GetExtensionMessageService()->DispatchEventToRenderers(
-      keys::kOnStateChanged,
-      json_args,
-      profile->IsOffTheRecord(),
-      GURL());
+      keys::kOnStateChanged, json_args, profile, GURL());
 }