DevTools: Added service workers to chrome://inspect/#devices

chrome/browser/devtools/devtools_target_impl.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_DEVTOOLS_DEVTOOLS_TARGET_IMPL_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_TARGET_IMPL_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 55 matching lines @@
   void set_description(const std::string& desc) { description_ = desc; }
   void set_url(const GURL& url) { url_ = url; }
   void set_favicon_url(const GURL& url) { favicon_url_ = url; }
   void set_last_activity_time(const base::TimeTicks& time) {
      last_activity_time_ = time;
   }
 
   typedef std::vector<DevToolsTargetImpl*> List;
   typedef base::Callback<void(const List&)> Callback;
 
-  static List EnumerateRenderViewHostTargets();
-  static void EnumerateWorkerTargets(Callback callback);
-  static void EnumerateAllTargets(Callback callback);
+  static void EnumerateRenderViewHostTargets(const Callback& callback);
+  static void EnumerateWorkerTargets(const Callback& callback);
+  static void EnumerateAllTargets(const Callback& callback);
 
  private:
   scoped_refptr<content::DevToolsAgentHost> agent_host_;
   std::string parent_id_;
   std::string type_;
   std::string title_;
   std::string description_;
   GURL url_;
   GURL favicon_url_;
   base::TimeTicks last_activity_time_;
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_TARGET_IMPL_H_