Update from https://crrev.com/311076

base/mac/scoped_sending_event_unittest.mm

Index: base/mac/scoped_sending_event_unittest.mm
diff --git a/base/mac/scoped_sending_event_unittest.mm b/base/mac/scoped_sending_event_unittest.mm
index 95f6eba16ab4304bd5a23a81062971c371094d1a..02ef2dbe29291ac495f706c613e84b03efe96548 100644
--- a/base/mac/scoped_sending_event_unittest.mm
+++ b/base/mac/scoped_sending_event_unittest.mm
@@ -27,9 +27,7 @@ class ScopedSendingEventTest : public testing::Test {
   ScopedSendingEventTest() : app_([[ScopedSendingEventTestCrApp alloc] init]) {
     NSApp = app_.get();
   }
-  virtual ~ScopedSendingEventTest() {
-    NSApp = nil;
-  }
+  ~ScopedSendingEventTest() override { NSApp = nil; }
 
  private:
   base::scoped_nsobject<ScopedSendingEventTestCrApp> app_;