Remove parts of //cc we aren't using

cc/base/delayed_unique_notifier_unittest.cc

Index: cc/base/delayed_unique_notifier_unittest.cc
diff --git a/cc/base/delayed_unique_notifier_unittest.cc b/cc/base/delayed_unique_notifier_unittest.cc
deleted file mode 100644
index f30834e460f4ad98b1fa618bd9490d9c44403f32..0000000000000000000000000000000000000000
--- a/cc/base/delayed_unique_notifier_unittest.cc
+++ /dev/null
@@ -1,335 +0,0 @@
-// Copyright 2014 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 <deque>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/test/test_pending_task.h"
-#include "base/test/test_simple_task_runner.h"
-#include "cc/base/delayed_unique_notifier.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace cc {
-namespace {
-
-class TestNotifier : public DelayedUniqueNotifier {
- public:
-  TestNotifier(base::SequencedTaskRunner* task_runner,
-               const base::Closure& closure,
-               const base::TimeDelta& delay)
-      : DelayedUniqueNotifier(task_runner, closure, delay) {}
-  ~TestNotifier() override {}
-
-  // Overridden from DelayedUniqueNotifier:
-  base::TimeTicks Now() const override { return now_; }
-
-  void SetNow(base::TimeTicks now) { now_ = now; }
-
- private:
-  base::TimeTicks now_;
-};
-
-class DelayedUniqueNotifierTest : public testing::Test {
- public:
-  DelayedUniqueNotifierTest() : notification_count_(0) {}
-
-  void SetUp() override {
-    notification_count_ = 0;
-    task_runner_ = make_scoped_refptr(new base::TestSimpleTaskRunner);
-  }
-
-  void Notify() { ++notification_count_; }
-
-  int NotificationCount() const { return notification_count_; }
-
-  std::deque<base::TestPendingTask> TakePendingTasks() {
-    std::deque<base::TestPendingTask> tasks = task_runner_->GetPendingTasks();
-    task_runner_->ClearPendingTasks();
-    return tasks;
-  }
-
- protected:
-  int notification_count_;
-  scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
-};
-
-TEST_F(DelayedUniqueNotifierTest, ZeroDelay) {
-  base::TimeDelta delay = base::TimeDelta::FromInternalValue(0);
-  TestNotifier notifier(
-      task_runner_.get(),
-      base::Bind(&DelayedUniqueNotifierTest::Notify, base::Unretained(this)),
-      delay);
-
-  EXPECT_EQ(0, NotificationCount());
-
-  // Basic schedule for |delay| from now.
-  base::TimeTicks schedule_time =
-      base::TimeTicks() + base::TimeDelta::FromInternalValue(10);
-
-  notifier.SetNow(schedule_time);
-  notifier.Schedule();
-
-  std::deque<base::TestPendingTask> tasks = TakePendingTasks();
-  ASSERT_EQ(1u, tasks.size());
-  EXPECT_EQ(base::TimeTicks() + delay, tasks[0].GetTimeToRun());
-
-  tasks[0].task.Run();
-  EXPECT_EQ(1, NotificationCount());
-
-  // 5 schedules should result in only one run.
-  for (int i = 0; i < 5; ++i)
-    notifier.Schedule();
-
-  tasks = TakePendingTasks();
-  ASSERT_EQ(1u, tasks.size());
-  EXPECT_EQ(base::TimeTicks() + delay, tasks[0].GetTimeToRun());
-
-  tasks[0].task.Run();
-  EXPECT_EQ(2, NotificationCount());
-}
-
-TEST_F(DelayedUniqueNotifierTest, SmallDelay) {
-  base::TimeDelta delay = base::TimeDelta::FromInternalValue(20);
-  TestNotifier notifier(
-      task_runner_.get(),
-      base::Bind(&DelayedUniqueNotifierTest::Notify, base::Unretained(this)),
-      delay);
-
-  EXPECT_EQ(0, NotificationCount());
-
-  // Basic schedule for |delay| from now (now: 30, run time: 50).
-  base::TimeTicks schedule_time =
-      base::TimeTicks() + base::TimeDelta::FromInternalValue(30);
-
-  notifier.SetNow(schedule_time);
-  notifier.Schedule();
-
-  std::deque<base::TestPendingTask> tasks = TakePendingTasks();
-
-  ASSERT_EQ(1u, tasks.size());
-  EXPECT_EQ(base::TimeTicks() + delay, tasks[0].GetTimeToRun());
-
-  // It's not yet time to run, so we expect no notifications.
-  tasks[0].task.Run();
-  EXPECT_EQ(0, NotificationCount());
-
-  tasks = TakePendingTasks();
-
-  ASSERT_EQ(1u, tasks.size());
-  // Now the time should be delay minus whatever the value of now happens to be
-  // (now: 30, run time: 50).
-  base::TimeTicks scheduled_run_time = notifier.Now() + delay;
-  base::TimeTicks scheduled_delay =
-      base::TimeTicks() + (scheduled_run_time - notifier.Now());
-  EXPECT_EQ(scheduled_delay, tasks[0].GetTimeToRun());
-
-  // Move closer to the run time (time: 49, run time: 50).
-  notifier.SetNow(notifier.Now() + base::TimeDelta::FromInternalValue(19));
-
-  // It's not yet time to run, so we expect no notifications.
-  tasks[0].task.Run();
-  EXPECT_EQ(0, NotificationCount());
-
-  tasks = TakePendingTasks();
-  ASSERT_EQ(1u, tasks.size());
-
-  // Now the time should be delay minus whatever the value of now happens to be.
-  scheduled_delay = base::TimeTicks() + (scheduled_run_time - notifier.Now());
-  EXPECT_EQ(scheduled_delay, tasks[0].GetTimeToRun());
-
-  // Move to exactly the run time (time: 50, run time: 50).
-  notifier.SetNow(notifier.Now() + base::TimeDelta::FromInternalValue(1));
-
-  // It's time to run!
-  tasks[0].task.Run();
-  EXPECT_EQ(1, NotificationCount());
-
-  tasks = TakePendingTasks();
-  EXPECT_EQ(0u, tasks.size());
-}
-
-TEST_F(DelayedUniqueNotifierTest, RescheduleDelay) {
-  base::TimeDelta delay = base::TimeDelta::FromInternalValue(20);
-  TestNotifier notifier(
-      task_runner_.get(),
-      base::Bind(&DelayedUniqueNotifierTest::Notify, base::Unretained(this)),
-      delay);
-
-  base::TimeTicks schedule_time;
-  // Move time 19 units forward and reschedule, expecting that we still need to
-  // run in |delay| time and we don't get a notification.
-  for (int i = 0; i < 10; ++i) {
-    EXPECT_EQ(0, NotificationCount());
-
-    // Move time forward 19 units.
-    schedule_time = notifier.Now() + base::TimeDelta::FromInternalValue(19);
-    notifier.SetNow(schedule_time);
-    notifier.Schedule();
-
-    std::deque<base::TestPendingTask> tasks = TakePendingTasks();
-
-    ASSERT_EQ(1u, tasks.size());
-    EXPECT_EQ(base::TimeTicks() + delay, tasks[0].GetTimeToRun());
-
-    // It's not yet time to run, so we expect no notifications.
-    tasks[0].task.Run();
-    EXPECT_EQ(0, NotificationCount());
-  }
-
-  // Move time forward 20 units, expecting a notification.
-  schedule_time = notifier.Now() + base::TimeDelta::FromInternalValue(20);
-  notifier.SetNow(schedule_time);
-
-  std::deque<base::TestPendingTask> tasks = TakePendingTasks();
-
-  ASSERT_EQ(1u, tasks.size());
-  EXPECT_EQ(base::TimeTicks() + delay, tasks[0].GetTimeToRun());
-
-  // Time to run!
-  tasks[0].task.Run();
-  EXPECT_EQ(1, NotificationCount());
-}
-
-TEST_F(DelayedUniqueNotifierTest, CancelAndHasPendingNotification) {
-  base::TimeDelta delay = base::TimeDelta::FromInternalValue(20);
-  TestNotifier notifier(
-      task_runner_.get(),
-      base::Bind(&DelayedUniqueNotifierTest::Notify, base::Unretained(this)),
-      delay);
-
-  EXPECT_EQ(0, NotificationCount());
-
-  // Schedule for |delay| seconds from now.
-  base::TimeTicks schedule_time =
-      notifier.Now() + base::TimeDelta::FromInternalValue(10);
-  notifier.SetNow(schedule_time);
-  notifier.Schedule();
-  EXPECT_TRUE(notifier.HasPendingNotification());
-
-  // Cancel the run.
-  notifier.Cancel();
-  EXPECT_FALSE(notifier.HasPendingNotification());
-
-  std::deque<base::TestPendingTask> tasks = TakePendingTasks();
-
-  ASSERT_EQ(1u, tasks.size());
-  EXPECT_EQ(base::TimeTicks() + delay, tasks[0].GetTimeToRun());
-
-  // Time to run, but a canceled task!
-  tasks[0].task.Run();
-  EXPECT_EQ(0, NotificationCount());
-  EXPECT_FALSE(notifier.HasPendingNotification());
-
-  tasks = TakePendingTasks();
-  EXPECT_EQ(0u, tasks.size());
-
-  notifier.Schedule();
-  EXPECT_TRUE(notifier.HasPendingNotification());
-  tasks = TakePendingTasks();
-
-  ASSERT_EQ(1u, tasks.size());
-  EXPECT_EQ(base::TimeTicks() + delay, tasks[0].GetTimeToRun());
-
-  // Advance the time.
-  notifier.SetNow(notifier.Now() + delay);
-
-  // This should run since it wasn't canceled.
-  tasks[0].task.Run();
-  EXPECT_EQ(1, NotificationCount());
-  EXPECT_FALSE(notifier.HasPendingNotification());
-
-  for (int i = 0; i < 10; ++i) {
-    notifier.Schedule();
-    EXPECT_TRUE(notifier.HasPendingNotification());
-    notifier.Cancel();
-    EXPECT_FALSE(notifier.HasPendingNotification());
-  }
-
-  tasks = TakePendingTasks();
-
-  ASSERT_EQ(1u, tasks.size());
-  EXPECT_EQ(base::TimeTicks() + delay, tasks[0].GetTimeToRun());
-
-  // Time to run, but a canceled task!
-  notifier.SetNow(notifier.Now() + delay);
-  tasks[0].task.Run();
-  EXPECT_EQ(1, NotificationCount());
-
-  tasks = TakePendingTasks();
-  EXPECT_EQ(0u, tasks.size());
-  EXPECT_FALSE(notifier.HasPendingNotification());
-}
-
-TEST_F(DelayedUniqueNotifierTest, ShutdownWithScheduledTask) {
-  base::TimeDelta delay = base::TimeDelta::FromInternalValue(20);
-  TestNotifier notifier(
-      task_runner_.get(),
-      base::Bind(&DelayedUniqueNotifierTest::Notify, base::Unretained(this)),
-      delay);
-
-  EXPECT_EQ(0, NotificationCount());
-
-  // Schedule for |delay| seconds from now.
-  base::TimeTicks schedule_time =
-      notifier.Now() + base::TimeDelta::FromInternalValue(10);
-  notifier.SetNow(schedule_time);
-  notifier.Schedule();
-  EXPECT_TRUE(notifier.HasPendingNotification());
-
-  // Shutdown the notifier.
-  notifier.Shutdown();
-
-  // The task is still there, but...
-  std::deque<base::TestPendingTask> tasks = TakePendingTasks();
-  ASSERT_EQ(1u, tasks.size());
-
-  // Running the task after shutdown does nothing since it's cancelled.
-  tasks[0].task.Run();
-  EXPECT_EQ(0, NotificationCount());
-
-  tasks = TakePendingTasks();
-  EXPECT_EQ(0u, tasks.size());
-
-  // We are no longer able to schedule tasks.
-  notifier.Schedule();
-  tasks = TakePendingTasks();
-  ASSERT_EQ(0u, tasks.size());
-
-  // Verify after the scheduled time happens there is still no task.
-  notifier.SetNow(notifier.Now() + delay);
-  tasks = TakePendingTasks();
-  ASSERT_EQ(0u, tasks.size());
-}
-
-TEST_F(DelayedUniqueNotifierTest, ShutdownPreventsSchedule) {
-  base::TimeDelta delay = base::TimeDelta::FromInternalValue(20);
-  TestNotifier notifier(
-      task_runner_.get(),
-      base::Bind(&DelayedUniqueNotifierTest::Notify, base::Unretained(this)),
-      delay);
-
-  EXPECT_EQ(0, NotificationCount());
-
-  // Schedule for |delay| seconds from now.
-  base::TimeTicks schedule_time =
-      notifier.Now() + base::TimeDelta::FromInternalValue(10);
-  notifier.SetNow(schedule_time);
-
-  // Shutdown the notifier.
-  notifier.Shutdown();
-
-  // Scheduling a task no longer does anything.
-  notifier.Schedule();
-  std::deque<base::TestPendingTask> tasks = TakePendingTasks();
-  ASSERT_EQ(0u, tasks.size());
-
-  // Verify after the scheduled time happens there is still no task.
-  notifier.SetNow(notifier.Now() + delay);
-  tasks = TakePendingTasks();
-  ASSERT_EQ(0u, tasks.size());
-}
-
-}  // namespace
-}  // namespace cc