Provision to start base::SimpleTestTickClock at initial ticks

components/proximity_auth/bluetooth_throttler_impl_unittest.cc

Index: components/proximity_auth/bluetooth_throttler_impl_unittest.cc
diff --git a/components/proximity_auth/bluetooth_throttler_impl_unittest.cc b/components/proximity_auth/bluetooth_throttler_impl_unittest.cc
index 5cfc4c9fc85799a4f9f788ea524d440ae287e274..cdd5515f8f5132c6140cb3563b29ff9adb7951d2 100644
--- a/components/proximity_auth/bluetooth_throttler_impl_unittest.cc
+++ b/components/proximity_auth/bluetooth_throttler_impl_unittest.cc
@@ -34,12 +34,11 @@ class TestBluetoothThrottler : public BluetoothThrottlerImpl {
 class ProximityAuthBluetoothThrottlerImplTest : public testing::Test {
  public:
   ProximityAuthBluetoothThrottlerImplTest()
-      : clock_(new base::SimpleTestTickClock),
-        throttler_(make_scoped_ptr(clock_)) {
-    // The throttler treats null times as special, so start with a non-null
-    // time.
-    clock_->Advance(base::TimeDelta::FromSeconds(1));
-  }
+      // The throttler treats null times as special, so start with a non-null
+      // time.
+      : clock_(new base::SimpleTestTickClock(base::TimeTicks() +
+                                             base::TimeDelta::FromSeconds(1))),
+        throttler_(make_scoped_ptr(clock_)) {}
 
   void PerformConnectionStateTransition(Connection::Status old_status,
                                         Connection::Status new_status) {