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 11 class 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 virtual void DidStartLoading( 27 content::RenderViewHost* render_view_host) OVERRIDE; 28 29 DISALLOW_COPY_AND_ASSIGN(NavigationMetricsRecorder); 30 }; 31 32 #endif // CHROME_BROWSER_TAB_CONTENTS_NAVIGATION_METRICS_RECORDER_H_ 33