Refactor TimeDomain::MaybeAdvanceTime in preparation for DoWork deduping

third_party/WebKit/Source/platform/scheduler/base/time_domain_unittest.cc

Index: third_party/WebKit/Source/platform/scheduler/base/time_domain_unittest.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/base/time_domain_unittest.cc b/third_party/WebKit/Source/platform/scheduler/base/time_domain_unittest.cc
index 7a5e35eb810547cb9c3596ded826f9999eb7ebad..413c64a553c04b11fd40df936a929ca1193fec46 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/time_domain_unittest.cc
+++ b/third_party/WebKit/Source/platform/scheduler/base/time_domain_unittest.cc
@@ -44,7 +44,10 @@ class MockTimeDomain : public TimeDomain {
   void AsValueIntoInternal(
       base::trace_event::TracedValue* state) const override {}
 
-  bool MaybeAdvanceTime() override { return false; }
+  base::Optional<base::TimeDelta> DelayTillNextTask(
+      LazyNow* lazy_now) override {
+    return base::Optional<base::TimeDelta>();
+  }
   const char* GetName() const override { return "Test"; }
   void OnRegisterWithTaskQueueManager(
       TaskQueueManager* task_queue_manager) override {}
@@ -203,13 +206,13 @@ TEST_F(TimeDomainTest, UpdateWorkQueues) {
   EXPECT_EQ(delayed_runtime, next_run_time);
 
   LazyNow lazy_now = time_domain_->CreateLazyNow();
-  time_domain_->UpdateWorkQueues(lazy_now);
+  time_domain_->UpdateWorkQueues(&lazy_now);
   ASSERT_TRUE(time_domain_->NextScheduledRunTime(&next_run_time));
   EXPECT_EQ(delayed_runtime, next_run_time);
 
   time_domain_->SetNow(delayed_runtime);
   lazy_now = time_domain_->CreateLazyNow();
-  time_domain_->UpdateWorkQueues(lazy_now);
+  time_domain_->UpdateWorkQueues(&lazy_now);
   ASSERT_FALSE(time_domain_->NextScheduledRunTime(&next_run_time));
 }