Add an idle task to periodically sweep canceled delayed tasks

third_party/WebKit/Source/platform/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
@@ skipping 1190 matching lines @@
     "scheduler/base/thread_load_tracker.h",
     "scheduler/base/time_domain.cc",
     "scheduler/base/time_domain.h",
     "scheduler/base/virtual_time_domain.cc",
     "scheduler/base/virtual_time_domain.h",
     "scheduler/base/work_queue.cc",
     "scheduler/base/work_queue.h",
     "scheduler/base/work_queue_sets.cc",
     "scheduler/base/work_queue_sets.h",
     "scheduler/child/compositor_worker_scheduler.cc",
+    "scheduler/child/idle_canceled_delayed_task_sweeper.cc",
+    "scheduler/child/idle_canceled_delayed_task_sweeper.h",
     "scheduler/child/idle_helper.cc",
     "scheduler/child/idle_helper.h",
     "scheduler/child/scheduler_helper.cc",
     "scheduler/child/scheduler_helper.h",
     "scheduler/child/scheduler_tqm_delegate.h",
     "scheduler/child/scheduler_tqm_delegate_impl.cc",
     "scheduler/child/scheduler_tqm_delegate_impl.h",
     "scheduler/child/single_thread_idle_task_runner.cc",
     "scheduler/child/web_scheduler_impl.cc",
     "scheduler/child/web_scheduler_impl.h",
@@ skipping 557 matching lines @@
     "network/mime/MIMETypeRegistryTest.cpp",
     "scheduler/base/intrusive_heap_unittest.cc",
     "scheduler/base/queueing_time_estimator_unittest.cc",
     "scheduler/base/task_queue_manager_unittest.cc",
     "scheduler/base/task_queue_selector_unittest.cc",
     "scheduler/base/test_count_uses_time_source.cc",
     "scheduler/base/thread_load_tracker_unittest.cc",
     "scheduler/base/time_domain_unittest.cc",
     "scheduler/base/work_queue_sets_unittest.cc",
     "scheduler/base/work_queue_unittest.cc",
+    "scheduler/child/idle_canceled_delayed_task_sweeper_unittest.cc",
     "scheduler/child/idle_helper_unittest.cc",
     "scheduler/child/scheduler_helper_unittest.cc",
     "scheduler/child/scheduler_tqm_delegate_impl_unittest.cc",
     "scheduler/child/webthread_impl_for_worker_scheduler_unittest.cc",
     "scheduler/child/worker_scheduler_impl_unittest.cc",
     "scheduler/renderer/auto_advancing_virtual_time_domain_unittest.cc",
     "scheduler/renderer/deadline_task_runner_unittest.cc",
     "scheduler/renderer/idle_time_estimator_unittest.cc",
     "scheduler/renderer/renderer_scheduler_impl_unittest.cc",
     "scheduler/renderer/task_cost_estimator_unittest.cc",
@@ skipping 295 matching lines @@
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:inside_blink",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }