[scheduler] Add options to TaskQueue::InsertFence

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

Index: third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h
diff --git a/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h b/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h
index 0c16a7a95fa6c0bfeefee53eb1749180fa31295b..ec19778f1a381815e90fa406e7c9f0935df97e64 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h
+++ b/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h
@@ -134,6 +134,7 @@ class BLINK_PLATFORM_EXPORT TaskQueueImpl final : public TaskQueue {
   TimeDomain* GetTimeDomain() const override;
   void SetBlameContext(base::trace_event::BlameContext* blame_context) override;
   void InsertFence() override;
+  void BlockByFence() override;
   void RemoveFence() override;
   bool BlockedByFence() const override;
 
@@ -193,6 +194,10 @@ class BLINK_PLATFORM_EXPORT TaskQueueImpl final : public TaskQueue {
     main_thread_only().heap_handle = heap_handle;
   }
 
+  // Returns true if queue is enabled and is not blocked by fence.
+  // Test-only and main-thread-only.
+  bool IsQueueUnblockedForTest() const;
+
  private:
   friend class WorkQueue;
   friend class WorkQueueTest;