[Try # 3] Scheduler refactoring to virtually eliminate redundant DoWorks

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

Index: third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc b/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc
index 94694b6b54e2884ab4580436370ed988d28582f6..762f079bfccb32600c6b51b777f00741c92f19d8 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc
+++ b/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.cc
@@ -336,7 +336,7 @@ void TaskQueueImpl::PushOntoImmediateIncomingQueueLocked(
         RunsTasksOnCurrentThread() &&
         (!IsQueueEnabled() || main_thread_only().current_fence);
     any_thread().task_queue_manager->OnQueueHasIncomingImmediateWork(
-        this, queue_is_blocked);
+        this, sequence_number, queue_is_blocked);
     any_thread().time_domain->OnQueueHasImmediateWork(this);
   }
   any_thread().immediate_incoming_queue.emplace_back(
@@ -678,6 +678,16 @@ bool TaskQueueImpl::BlockedByFence() const {
          main_thread_only().current_fence;
 }
 
+bool TaskQueueImpl::CouldTaskRun(EnqueueOrder enqueue_order) const {
+  if (!IsQueueEnabled())
+    return false;
+
+  if (!main_thread_only().current_fence)
+    return true;
+
+  return enqueue_order < main_thread_only().current_fence;
+}
+
 EnqueueOrder TaskQueueImpl::GetFenceForTest() const {
   return main_thread_only().current_fence;
 }