[scheduler] Add options to TaskQueue::InsertFence

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

Index: third_party/WebKit/Source/platform/scheduler/base/work_queue_sets_unittest.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/base/work_queue_sets_unittest.cc b/third_party/WebKit/Source/platform/scheduler/base/work_queue_sets_unittest.cc
index 20d07dd36e65bb4ddb313cc793c4197ff7b1912b..4f8b081a8f23f6e700a7ea13a26421740ef86e1a 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/work_queue_sets_unittest.cc
+++ b/third_party/WebKit/Source/platform/scheduler/base/work_queue_sets_unittest.cc
@@ -256,6 +256,27 @@ TEST_F(WorkQueueSetsTest, IsSetEmpty_Work) {
   EXPECT_TRUE(work_queue_sets_->IsSetEmpty(set));
 }
 
+TEST_F(WorkQueueSetsTest, BlockQueuesByFence) {
+  WorkQueue* queue1 = NewTaskQueue("queue1");
+  WorkQueue* queue2 = NewTaskQueue("queue2");
+
+  queue1->Push(FakeTaskWithEnqueueOrder(6));
+  queue2->Push(FakeTaskWithEnqueueOrder(7));
+  queue1->Push(FakeTaskWithEnqueueOrder(8));
+  queue2->Push(FakeTaskWithEnqueueOrder(9));
+
+  size_t set = TaskQueue::CONTROL_PRIORITY;
+
+  WorkQueue* selected_work_queue;
+  EXPECT_TRUE(work_queue_sets_->GetOldestQueueInSet(set, &selected_work_queue));
+  EXPECT_EQ(selected_work_queue, queue1);
+
+  queue1->InsertFence(1);
+
+  EXPECT_TRUE(work_queue_sets_->GetOldestQueueInSet(set, &selected_work_queue));
+  EXPECT_EQ(selected_work_queue, queue2);
+}
+
 }  // namespace internal
 }  // namespace scheduler
 }  // namespace blink