Enable Activity Logging by default

chrome/renderer/extensions/dom_activity_logger.cc

 // Copyright (c) 2013 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/dom_activity_logger.h"
 
 #include "base/logging.h"
 #include "chrome/common/extensions/dom_action_types.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/renderer/chrome_render_process_observer.h"
@@ skipping 42 matching lines @@
     params.call_type = DomActionType::METHOD;
 
   content::RenderThread::Get()->Send(
       new ExtensionHostMsg_AddDOMActionToActivityLog(extension_id_, params));
 }
 
 void DOMActivityLogger::AttachToWorld(int world_id,
                                       const std::string& extension_id,
                                       const GURL& url,
                                       const string16& title) {
-  // Check if extension activity logging is enabled.
-  if (!ChromeRenderProcessObserver::extension_activity_log_enabled())
-    return;
   // If there is no logger registered for world_id, construct a new logger
   // and register it with world_id.
   if (!WebKit::hasDOMActivityLogger(world_id)) {
     DOMActivityLogger* logger = new DOMActivityLogger(extension_id, url, title);
     WebKit::setDOMActivityLogger(world_id, logger);
   }
 }
 
 }  // namespace extensions