Move throttling of background timers into the renderer scheduler

components/scheduler/base/task_queue_selector_unittest.cc

Index: components/scheduler/base/task_queue_selector_unittest.cc
diff --git a/components/scheduler/base/task_queue_selector_unittest.cc b/components/scheduler/base/task_queue_selector_unittest.cc
index 382a440d54fd343dd84776d00c41c28e39935a8d..38acf86f42674298f3c97aacc468926d11d2c73d 100644
--- a/components/scheduler/base/task_queue_selector_unittest.cc
+++ b/components/scheduler/base/task_queue_selector_unittest.cc
@@ -76,7 +76,7 @@ class TaskQueueSelectorTest : public testing::Test {
  protected:
   void SetUp() final {
     virtual_time_domain_ = make_scoped_refptr<VirtualTimeDomain>(
-        new VirtualTimeDomain(base::TimeTicks()));
+        new VirtualTimeDomain(nullptr, base::TimeTicks()));
     for (size_t i = 0; i < kTaskQueueCount; i++) {
       scoped_refptr<TaskQueueImpl> task_queue = make_scoped_refptr(
           new TaskQueueImpl(nullptr, virtual_time_domain_,