ios/chrome/browser/metrics/tab_usage_recorder.mm - Issue 2820383002: [ObjC ARC] Converts ios/chrome/browser/metrics:metrics_internal to ARC.

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Unified Diff: ios/chrome/browser/metrics/tab_usage_recorder.mm

Issue 2820383002: [ObjC ARC] Converts ios/chrome/browser/metrics:metrics_internal to ARC. (Closed)

Patch Set: remove empty line Created 3 years, 8 months ago

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Index: ios/chrome/browser/metrics/tab_usage_recorder.mm

diff --git a/ios/chrome/browser/metrics/tab_usage_recorder.mm b/ios/chrome/browser/metrics/tab_usage_recorder.mm

index 14405ace6728337252047bc10c8f86326abb04e7..b8cd3ba755c83c10c1579699f08b611a79172efe 100644

--- a/ios/chrome/browser/metrics/tab_usage_recorder.mm

+++ b/ios/chrome/browser/metrics/tab_usage_recorder.mm

@@ -10,6 +10,10 @@

#import "ios/chrome/browser/tabs/tab.h"

#import "ios/web/web_state/ui/crw_web_controller.h"

+#if !defined(__has_feature) || !__has_feature(objc_arc)

+#error "This file requires ARC support."

+#endif

const char kTabUsageHistogramPrefix[] = "Tab";

// The histogram recording the state of the tab the user switches to.

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