Patch 1/3 to get WebScheduler via WebThread

content/child/scheduler/worker_web_scheduler_impl.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 "content/child/scheduler/worker_web_scheduler_impl.h"
+
+#include "base/bind.h"
+#include "base/single_thread_task_runner.h"
+#include "content/child/scheduler/worker_scheduler.h"
+#include "third_party/WebKit/public/platform/WebTraceLocation.h"
+
+namespace content {
+
+WorkerWebSchedulerImpl::WorkerWebSchedulerImpl(
+    WorkerScheduler* worker_scheduler)
+    : BaseWebScheduler(worker_scheduler->IdleTaskRunner(),
+                       worker_scheduler->DefaultTaskRunner(),
+                       worker_scheduler->DefaultTaskRunner()),
+      worker_scheduler_(worker_scheduler) {
+}
+
+WorkerWebSchedulerImpl::~WorkerWebSchedulerImpl() {
+}
+
+bool WorkerWebSchedulerImpl::shouldYieldForHighPriorityWork() {
+  return false;
+}
+
+bool WorkerWebSchedulerImpl::canExceedIdleDeadlineIfRequired() {
+  return worker_scheduler_->CanExceedIdleDeadlineIfRequired();
+}
+
+}  // namespace content