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| 1 // Copyright 2017 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 #import "ios/shared/chrome/browser/tabs/web_state_list_metrics_observer.h" |
| 6 |
| 7 #include "base/metrics/user_metrics.h" |
| 8 #include "base/metrics/user_metrics_action.h" |
| 9 |
| 10 #if !defined(__has_feature) || !__has_feature(objc_arc) |
| 11 #error "This file requires ARC support." |
| 12 #endif |
| 13 |
| 14 WebStateListMetricsObserver::WebStateListMetricsObserver() = default; |
| 15 |
| 16 WebStateListMetricsObserver::~WebStateListMetricsObserver() = default; |
| 17 |
| 18 void WebStateListMetricsObserver::WebStateInsertedAt( |
| 19 WebStateList* web_state_list, |
| 20 web::WebState* web_state, |
| 21 int index) { |
| 22 base::RecordAction(base::UserMetricsAction("MobileNewTabOpened")); |
| 23 } |
| 24 |
| 25 void WebStateListMetricsObserver::WebStateMoved(WebStateList* web_state_list, |
| 26 web::WebState* web_state, |
| 27 int from_index, |
| 28 int to_index) {} |
| 29 |
| 30 void WebStateListMetricsObserver::WebStateReplacedAt( |
| 31 WebStateList* web_state_list, |
| 32 web::WebState* old_web_state, |
| 33 web::WebState* new_web_state, |
| 34 int index) { |
| 35 // Record a tab clobber, since swapping tabs bypasses the Tab code that would |
| 36 // normally log clobbers. |
| 37 base::RecordAction(base::UserMetricsAction("MobileTabClobbered")); |
| 38 } |
| 39 |
| 40 void WebStateListMetricsObserver::WebStateDetachedAt( |
| 41 WebStateList* web_state_list, |
| 42 web::WebState* web_state, |
| 43 int index) { |
| 44 base::RecordAction(base::UserMetricsAction("MobileTabClosed")); |
| 45 } |
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