[scheduler] Implement time-based cpu throttling.

third_party/WebKit/Source/platform/scheduler/base/time_domain_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/base/time_domain.h"
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "cc/test/ordered_simple_task_runner.h"
@@ skipping 261 matching lines @@
   LazyNow lazy_now = time_domain_->CreateLazyNow();
   time_domain_->UpdateWorkQueues(lazy_now);
   ASSERT_FALSE(time_domain_->NextScheduledRunTime(&next_run_time));
 }
 
 namespace {
 class MockObserver : public TimeDomain::Observer {
  public:
   ~MockObserver() override {}
 
-  MOCK_METHOD0(OnTimeDomainHasImmediateWork, void());
-  MOCK_METHOD0(OnTimeDomainHasDelayedWork, void());
+  MOCK_METHOD1(OnTimeDomainHasImmediateWork, void(TaskQueue*));
+  MOCK_METHOD1(OnTimeDomainHasDelayedWork, void(TaskQueue*));
 };
 }  // namespace
 
 class TimeDomainWithObserverTest : public TimeDomainTest {
  public:
   MockTimeDomain* CreateMockTimeDomain() override {
     observer_.reset(new MockObserver());
     return new MockTimeDomain(observer_.get());
   }
 
   std::unique_ptr<MockObserver> observer_;
 };
 
 TEST_F(TimeDomainWithObserverTest, OnTimeDomainHasImmediateWork) {
-  EXPECT_CALL(*observer_, OnTimeDomainHasImmediateWork());
+  EXPECT_CALL(*observer_, OnTimeDomainHasImmediateWork(task_queue_.get()));
   time_domain_->RegisterAsUpdatableTaskQueue(task_queue_.get());
 }
 
 TEST_F(TimeDomainWithObserverTest, OnTimeDomainHasDelayedWork) {
-  EXPECT_CALL(*observer_, OnTimeDomainHasDelayedWork());
+  EXPECT_CALL(*observer_, OnTimeDomainHasDelayedWork(task_queue_.get()));
   EXPECT_CALL(*time_domain_.get(), RequestWakeup(_, _));
   base::TimeTicks now = time_domain_->Now();
   time_domain_->ScheduleDelayedWork(
       task_queue_.get(), now + base::TimeDelta::FromMilliseconds(10), now);
 }
 
 }  // namespace scheduler
 }  // namespace blink