scheduler: Move the Blink scheduler into Blink

components/scheduler/renderer/idle_time_estimator_unittest.cc

Index: components/scheduler/renderer/idle_time_estimator_unittest.cc
diff --git a/components/scheduler/renderer/idle_time_estimator_unittest.cc b/components/scheduler/renderer/idle_time_estimator_unittest.cc
deleted file mode 100644
index d7d67a8b4e9773760870d334e3aeeadd1e38662e..0000000000000000000000000000000000000000
--- a/components/scheduler/renderer/idle_time_estimator_unittest.cc
+++ /dev/null
@@ -1,169 +0,0 @@
-// 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 "components/scheduler/renderer/idle_time_estimator.h"
-
-#include "base/memory/ptr_util.h"
-#include "base/test/simple_test_tick_clock.h"
-#include "cc/test/ordered_simple_task_runner.h"
-#include "components/scheduler/base/task_queue_manager.h"
-#include "components/scheduler/base/test_task_time_tracker.h"
-#include "components/scheduler/base/test_time_source.h"
-#include "components/scheduler/child/scheduler_tqm_delegate_for_test.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace scheduler {
-
-class IdleTimeEstimatorForTest : public IdleTimeEstimator {
- public:
-  IdleTimeEstimatorForTest(
-      const scoped_refptr<TaskQueue>& compositor_task_runner,
-      TestTimeSource* test_time_source,
-      int sample_count,
-      double estimation_percentile)
-      : IdleTimeEstimator(compositor_task_runner,
-                          test_time_source,
-                          sample_count,
-                          estimation_percentile) {}
-};
-
-class IdleTimeEstimatorTest : public testing::Test {
- public:
-  IdleTimeEstimatorTest()
-      : frame_length_(base::TimeDelta::FromMilliseconds(16)) {}
-
-  ~IdleTimeEstimatorTest() override {}
-
-  void SetUp() override {
-    clock_.reset(new base::SimpleTestTickClock());
-    clock_->Advance(base::TimeDelta::FromMicroseconds(5000));
-    test_time_source_.reset(new TestTimeSource(clock_.get()));
-    mock_task_runner_ = make_scoped_refptr(
-        new cc::OrderedSimpleTaskRunner(clock_.get(), false));
-    main_task_runner_ = SchedulerTqmDelegateForTest::Create(
-        mock_task_runner_, base::MakeUnique<TestTimeSource>(clock_.get()));
-    manager_ = base::MakeUnique<TaskQueueManager>(
-        main_task_runner_, "test.scheduler", "test.scheduler",
-        "test.scheduler.debug");
-    compositor_task_runner_ =
-        manager_->NewTaskQueue(TaskQueue::Spec("compositor_tq"));
-    estimator_.reset(new IdleTimeEstimatorForTest(
-        compositor_task_runner_, test_time_source_.get(), 10, 50));
-  }
-
-  void SimulateFrameWithOneCompositorTask(int compositor_time) {
-    base::TimeDelta non_idle_time =
-        base::TimeDelta::FromMilliseconds(compositor_time);
-    base::PendingTask task(FROM_HERE, base::Closure());
-    estimator_->WillProcessTask(task);
-    clock_->Advance(non_idle_time);
-    estimator_->DidCommitFrameToCompositor();
-    estimator_->DidProcessTask(task);
-    if (non_idle_time < frame_length_)
-      clock_->Advance(frame_length_ - non_idle_time);
-  }
-
-  void SimulateFrameWithTwoCompositorTasks(int compositor_time1,
-                                           int compositor_time2) {
-    base::TimeDelta non_idle_time1 =
-        base::TimeDelta::FromMilliseconds(compositor_time1);
-    base::TimeDelta non_idle_time2 =
-        base::TimeDelta::FromMilliseconds(compositor_time2);
-    base::PendingTask task(FROM_HERE, base::Closure());
-    estimator_->WillProcessTask(task);
-    clock_->Advance(non_idle_time1);
-    estimator_->DidProcessTask(task);
-
-    estimator_->WillProcessTask(task);
-    clock_->Advance(non_idle_time2);
-    estimator_->DidCommitFrameToCompositor();
-    estimator_->DidProcessTask(task);
-
-    base::TimeDelta idle_time = frame_length_ - non_idle_time1 - non_idle_time2;
-    clock_->Advance(idle_time);
-  }
-
-  std::unique_ptr<base::SimpleTestTickClock> clock_;
-  std::unique_ptr<TestTimeSource> test_time_source_;
-  scoped_refptr<cc::OrderedSimpleTaskRunner> mock_task_runner_;
-  scoped_refptr<SchedulerTqmDelegate> main_task_runner_;
-  std::unique_ptr<TaskQueueManager> manager_;
-  scoped_refptr<TaskQueue> compositor_task_runner_;
-  std::unique_ptr<IdleTimeEstimatorForTest> estimator_;
-  const base::TimeDelta frame_length_;
-  TestTaskTimeTracker test_task_time_tracker_;
-};
-
-TEST_F(IdleTimeEstimatorTest, InitialTimeEstimateWithNoData) {
-  EXPECT_EQ(frame_length_, estimator_->GetExpectedIdleDuration(frame_length_));
-}
-
-TEST_F(IdleTimeEstimatorTest, BasicEstimation_SteadyState) {
-  SimulateFrameWithOneCompositorTask(5);
-  SimulateFrameWithOneCompositorTask(5);
-
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(11),
-            estimator_->GetExpectedIdleDuration(frame_length_));
-}
-
-TEST_F(IdleTimeEstimatorTest, BasicEstimation_Variable) {
-  SimulateFrameWithOneCompositorTask(5);
-  SimulateFrameWithOneCompositorTask(6);
-  SimulateFrameWithOneCompositorTask(7);
-  SimulateFrameWithOneCompositorTask(7);
-  SimulateFrameWithOneCompositorTask(7);
-  SimulateFrameWithOneCompositorTask(8);
-
-  // We expect it to return the median.
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(9),
-            estimator_->GetExpectedIdleDuration(frame_length_));
-}
-
-TEST_F(IdleTimeEstimatorTest, NoIdleTime) {
-  SimulateFrameWithOneCompositorTask(100);
-  SimulateFrameWithOneCompositorTask(100);
-
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(0),
-            estimator_->GetExpectedIdleDuration(frame_length_));
-}
-
-TEST_F(IdleTimeEstimatorTest, Clear) {
-  SimulateFrameWithOneCompositorTask(5);
-  SimulateFrameWithOneCompositorTask(5);
-
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(11),
-            estimator_->GetExpectedIdleDuration(frame_length_));
-  estimator_->Clear();
-
-  EXPECT_EQ(frame_length_, estimator_->GetExpectedIdleDuration(frame_length_));
-}
-
-TEST_F(IdleTimeEstimatorTest, Estimation_MultipleTasks) {
-  SimulateFrameWithTwoCompositorTasks(1, 4);
-  SimulateFrameWithTwoCompositorTasks(1, 4);
-
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(11),
-            estimator_->GetExpectedIdleDuration(frame_length_));
-}
-
-TEST_F(IdleTimeEstimatorTest, IgnoresNestedTasks) {
-  SimulateFrameWithOneCompositorTask(5);
-  SimulateFrameWithOneCompositorTask(5);
-
-  base::PendingTask task(FROM_HERE, base::Closure());
-  estimator_->WillProcessTask(task);
-  SimulateFrameWithTwoCompositorTasks(4, 4);
-  SimulateFrameWithTwoCompositorTasks(4, 4);
-  SimulateFrameWithTwoCompositorTasks(4, 4);
-  SimulateFrameWithTwoCompositorTasks(4, 4);
-  estimator_->DidCommitFrameToCompositor();
-  estimator_->DidProcessTask(task);
-
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(11),
-            estimator_->GetExpectedIdleDuration(frame_length_));
-}
-
-
-}  // namespace scheduler