Patch 1/3 to get WebScheduler via WebThread

content/renderer/scheduler/renderer_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/renderer/scheduler/renderer_web_scheduler_impl.h"
+
+#include "base/bind.h"
+#include "base/single_thread_task_runner.h"
+#include "content/renderer/scheduler/renderer_scheduler.h"
+#include "third_party/WebKit/public/platform/WebTraceLocation.h"
+
+namespace content {
+
+RendererWebSchedulerImpl::RendererWebSchedulerImpl(
+    RendererScheduler* renderer_scheduler)
+    : BaseWebScheduler(renderer_scheduler->IdleTaskRunner(),
+                       renderer_scheduler->LoadingTaskRunner(),
+                       renderer_scheduler->TimerTaskRunner()),
+      renderer_scheduler_(renderer_scheduler) {
+}
+
+RendererWebSchedulerImpl::~RendererWebSchedulerImpl() {
+}
+
+bool RendererWebSchedulerImpl::shouldYieldForHighPriorityWork() {
+  return renderer_scheduler_->ShouldYieldForHighPriorityWork();
+}
+
+bool RendererWebSchedulerImpl::canExceedIdleDeadlineIfRequired() {
+  return renderer_scheduler_->CanExceedIdleDeadlineIfRequired();
+}
+
+}  // namespace content