Refactor TimeDomain::MaybeAdvanceTime in preparation for DoWork deduping

third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.h

Index: third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.h
diff --git a/third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.h b/third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.h
index 53b95608089341615c3bcaf7ed958a35eb90907d..af966d099b75e6278aef2dbeaae7f8f26a773e8a 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.h
+++ b/third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.h
@@ -176,7 +176,7 @@ class BLINK_PLATFORM_EXPORT TaskQueueManager
 
   // Delayed Tasks with run_times <= Now() are enqueued onto the work queue and
   // reloads any empty work queues.
-  void UpdateWorkQueues(LazyNow lazy_now);
+  void UpdateWorkQueues(LazyNow* lazy_now);
 
   // Chooses the next work queue to service. Returns true if |out_queue|
   // indicates the queue from which the next task should be run, false to
@@ -201,9 +201,9 @@ class BLINK_PLATFORM_EXPORT TaskQueueManager
 
   internal::EnqueueOrder GetNextSequenceNumber();
 
-  // Calls MaybeAdvanceTime on all time domains and returns true if one of them
-  // was able to advance.
-  bool TryAdvanceTimeDomains();
+  // Calls DelayTillNextTask on all time domains and returns the smallest delay
+  // requested if any.
+  base::Optional<base::TimeDelta> ComputeDelayTillNextTask(LazyNow* lazy_now);
 
   void MaybeRecordTaskDelayHistograms(
       const internal::TaskQueueImpl::Task& pending_task,