navigation_metrics_recorder.h revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_TAB_CONTENTS_NAVIGATION_METRICS_RECORDER_H_
6#define CHROME_BROWSER_TAB_CONTENTS_NAVIGATION_METRICS_RECORDER_H_
7
8#include "content/public/browser/web_contents_observer.h"
9#include "content/public/browser/web_contents_user_data.h"
10
11class NavigationMetricsRecorder
12    : public content::WebContentsObserver,
13      public content::WebContentsUserData<NavigationMetricsRecorder> {
14 public:
15  virtual ~NavigationMetricsRecorder();
16
17 private:
18  explicit NavigationMetricsRecorder(content::WebContents* web_contents);
19  friend class content::WebContentsUserData<NavigationMetricsRecorder>;
20
21  // content::WebContentsObserver overrides:
22  virtual void DidNavigateMainFrame(
23      const content::LoadCommittedDetails& details,
24      const content::FrameNavigateParams& params) OVERRIDE;
25
26  DISALLOW_COPY_AND_ASSIGN(NavigationMetricsRecorder);
27};
28
29#endif  // CHROME_BROWSER_TAB_CONTENTS_NAVIGATION_METRICS_RECORDER_H_
30