Remove non-existing headers from the build

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 1256 matching lines @@
     "scheduler/base/queueing_time_estimator.h",
     "scheduler/base/real_time_domain.cc",
     "scheduler/base/real_time_domain.h",
     "scheduler/base/task_queue_impl.cc",
     "scheduler/base/task_queue_impl.h",
     "scheduler/base/task_queue_manager.cc",
     "scheduler/base/task_queue_manager.h",
     "scheduler/base/task_queue_manager_delegate.h",
     "scheduler/base/task_queue_selector.cc",
     "scheduler/base/task_queue_selector.h",
+    "scheduler/base/task_time_observer.h",
     "scheduler/base/thread_load_tracker.cc",
     "scheduler/base/thread_load_tracker.h",
     "scheduler/base/time_converter.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/compositor_worker_scheduler.h",
     "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.h",
     "scheduler/child/web_scheduler_impl.cc",
     "scheduler/child/web_scheduler_impl.h",
     "scheduler/child/web_task_runner_impl.cc",
     "scheduler/child/web_task_runner_impl.h",
     "scheduler/child/webthread_base.cc",
     "scheduler/child/webthread_impl_for_worker_scheduler.cc",
     "scheduler/child/webthread_impl_for_worker_scheduler.h",
     "scheduler/child/worker_global_scope_scheduler.cc",
     "scheduler/child/worker_global_scope_scheduler.h",
     "scheduler/child/worker_scheduler.cc",
@@ skipping 19 matching lines @@
     "scheduler/renderer/task_cost_estimator.cc",
     "scheduler/renderer/task_cost_estimator.h",
     "scheduler/renderer/task_queue_throttler.cc",
     "scheduler/renderer/task_queue_throttler.h",
     "scheduler/renderer/throttled_time_domain.cc",
     "scheduler/renderer/throttled_time_domain.h",
     "scheduler/renderer/user_model.cc",
     "scheduler/renderer/user_model.h",
     "scheduler/renderer/web_frame_scheduler_impl.cc",
     "scheduler/renderer/web_frame_scheduler_impl.h",
+    "scheduler/renderer/web_view_scheduler.h",
     "scheduler/renderer/web_view_scheduler_impl.cc",
     "scheduler/renderer/web_view_scheduler_impl.h",
     "scheduler/renderer/webthread_impl_for_renderer_scheduler.cc",
     "scheduler/renderer/webthread_impl_for_renderer_scheduler.h",
     "scheduler/utility/webthread_impl_for_utility_thread.cc",
     "scheduler/utility/webthread_impl_for_utility_thread.h",
     "scroll/MainThreadScrollingReason.h",
     "scroll/ProgrammaticScrollAnimator.cpp",
     "scroll/ProgrammaticScrollAnimator.h",
     "scroll/ScrollAnimator.cpp",
@@ skipping 873 matching lines @@
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:inside_blink",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }