[scheduler] Add WakeupBudgetPool.

third_party/WebKit/Source/platform/scheduler/renderer/task_queue_throttler_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/scheduler/renderer/task_queue_throttler.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 183 matching lines @@
                                 base::TimeDelta::FromMilliseconds(1200.0));
 
   timer_queue_->PostDelayedTask(FROM_HERE,
                                 base::Bind(&TestTask, &run_times, clock_.get()),
                                 base::TimeDelta::FromMilliseconds(8300.0));
 
   task_queue_throttler_->IncreaseThrottleRefCount(timer_queue_.get());
 
   mock_task_runner_->RunUntilIdle();
 
-  // Times are aligned to a multipple of 1000 milliseconds.
+  // Times are aligned to a multiple of 1000 milliseconds.
   EXPECT_THAT(
       run_times,
       ElementsAre(
           base::TimeTicks() + base::TimeDelta::FromMilliseconds(1000.0),
           base::TimeTicks() + base::TimeDelta::FromMilliseconds(1000.0),
           base::TimeTicks() + base::TimeDelta::FromMilliseconds(2000.0),
           base::TimeTicks() + base::TimeDelta::FromMilliseconds(9000.0)));
 }
 
 TEST_F(TaskQueueThrottlerTest, TimerAlignment_Unthrottled) {
@@ skipping 835 matching lines @@
       run_times,
       ElementsAre(
           base::TimeTicks() + base::TimeDelta::FromMilliseconds(1000),
           base::TimeTicks() + base::TimeDelta::FromMilliseconds(3000),
           base::TimeTicks() + base::TimeDelta::FromMilliseconds(6000),
           base::TimeTicks() + base::TimeDelta::FromMilliseconds(26000)));
 }
 
 }  // namespace scheduler
 }  // namespace blink