Index: ios/chrome/browser/tabs/tab_model_metrics_observer.mm |
diff --git a/ios/chrome/browser/tabs/tab_model_metrics_observer.mm b/ios/chrome/browser/tabs/tab_model_metrics_observer.mm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e94db54a316f3d9f81f2dcb33ac796c243a85c72 |
--- /dev/null |
+++ b/ios/chrome/browser/tabs/tab_model_metrics_observer.mm |
@@ -0,0 +1,39 @@ |
+// Copyright 2017 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. |
+ |
+#import "ios/chrome/browser/tabs/tab_model_metrics_observer.h" |
marq (ping after 24h)
2017/02/13 17:06:54
Can you put this in ios/shared/, since it's free o
sdefresne
2017/02/14 17:19:38
Should I rename it WebStateListMetricsObserver the
|
+ |
+#include "base/metrics/user_metrics.h" |
+#include "base/metrics/user_metrics_action.h" |
+ |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
+@implementation TabModelMetricsObserver |
+ |
+#pragma mark WebStateListObserver |
+ |
+- (void)webStateList:(WebStateList*)webStateList |
+ webStateInserted:(web::WebState*)webState |
+ atIndex:(NSUInteger)index { |
+ base::RecordAction(base::UserMetricsAction("MobileNewTabOpened")); |
+} |
+ |
+- (void)webStateList:(WebStateList*)webStateList |
+ webStateReplaced:(web::WebState*)oldWebState |
+ byWebState:(web::WebState*)newWebState |
+ atIndex:(NSUInteger)index { |
+ // Record a tab clobber, since swapping tabs bypasses the Tab code that would |
+ // normally log clobbers. |
+ base::RecordAction(base::UserMetricsAction("MobileTabClobbered")); |
+} |
+ |
+- (void)webStateList:(WebStateList*)webStateList |
+ webStateRemoved:(web::WebState*)webState |
+ atIndex:(NSUInteger)index { |
+ base::RecordAction(base::UserMetricsAction("MobileTabClosed")); |
+} |
+ |
+@end |