Save extension activity log to a file.

chrome/browser/extensions/tab_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_TAB_HELPER_H_
 #define CHROME_BROWSER_EXTENSIONS_TAB_HELPER_H_
 
+#include <map>
+#include <string>
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/extensions/active_tab_permission_granter.h"
 #include "chrome/browser/extensions/app_notify_channel_setup.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/extensions/image_loading_tracker.h"
 #include "chrome/common/web_apps.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ skipping 240 matching lines @@
   content::NotificationRegistrar registrar_;
 
   scoped_ptr<ScriptExecutor> script_executor_;
 
   scoped_ptr<LocationBarController> location_bar_controller_;
 
   scoped_ptr<ActiveTabPermissionGranter> active_tab_permission_granter_;
 
   scoped_ptr<ScriptBubbleController> script_bubble_controller_;
 
+  Profile* profile_;
+
   DISALLOW_COPY_AND_ASSIGN(TabHelper);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_TAB_HELPER_H_