Patch 2/3 to get WebScheduler via WebThread

Source/platform/scheduler/Scheduler.cpp

Index: Source/platform/scheduler/Scheduler.cpp
diff --git a/Source/platform/scheduler/Scheduler.cpp b/Source/platform/scheduler/Scheduler.cpp
deleted file mode 100644
index bdd1f196543842399f5a2bd26cfc5b5fa07cbae2..0000000000000000000000000000000000000000
--- a/Source/platform/scheduler/Scheduler.cpp
+++ /dev/null
@@ -1,103 +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 "config.h"
-#include "platform/scheduler/Scheduler.h"
-
-#include "public/platform/Platform.h"
-#include "public/platform/WebScheduler.h"
-#include "public/platform/WebTraceLocation.h"
-
-namespace blink {
-
-class IdleTaskRunner : public WebThread::IdleTask {
-    WTF_MAKE_NONCOPYABLE(IdleTaskRunner);
-
-public:
-    explicit IdleTaskRunner(PassOwnPtr<Scheduler::IdleTask> task)
-        : m_task(task)
-    {
-    }
-
-    ~IdleTaskRunner() override
-    {
-    }
-
-    // WebThread::IdleTask implementation.
-    void run(double deadlineSeconds) override
-    {
-        (*m_task)(deadlineSeconds);
-    }
-private:
-    OwnPtr<Scheduler::IdleTask> m_task;
-};
-
-Scheduler* Scheduler::s_sharedScheduler = nullptr;
-
-void Scheduler::shutdown()
-{
-    delete s_sharedScheduler;
-    s_sharedScheduler = nullptr;
-}
-
-Scheduler* Scheduler::shared()
-{
-    if (!s_sharedScheduler)
-        s_sharedScheduler = new Scheduler(Platform::current()->scheduler());
-    return s_sharedScheduler;
-}
-
-void Scheduler::setForTesting(Scheduler* scheduler)
-{
-    s_sharedScheduler = scheduler;
-}
-
-Scheduler::Scheduler(WebScheduler* webScheduler)
-    : m_webScheduler(webScheduler)
-{
-}
-
-Scheduler::~Scheduler()
-{
-}
-
-void Scheduler::postIdleTask(const WebTraceLocation& location, PassOwnPtr<IdleTask> idleTask)
-{
-    if (m_webScheduler)
-        m_webScheduler->postIdleTask(location, new IdleTaskRunner(idleTask));
-}
-
-void Scheduler::postNonNestableIdleTask(const WebTraceLocation& location, PassOwnPtr<IdleTask> idleTask)
-{
-    if (m_webScheduler)
-        m_webScheduler->postNonNestableIdleTask(location, new IdleTaskRunner(idleTask));
-}
-
-void Scheduler::postIdleTaskAfterWakeup(const WebTraceLocation& location, PassOwnPtr<IdleTask> idleTask)
-{
-    if (m_webScheduler)
-        m_webScheduler->postIdleTaskAfterWakeup(location, new IdleTaskRunner(idleTask));
-}
-
-void Scheduler::postLoadingTask(const WebTraceLocation& location, WebThread::Task* task)
-{
-    if (m_webScheduler)
-        m_webScheduler->postLoadingTask(location, task);
-}
-
-bool Scheduler::shouldYieldForHighPriorityWork() const
-{
-    if (m_webScheduler)
-        return m_webScheduler->shouldYieldForHighPriorityWork();
-    return false;
-}
-
-bool Scheduler::canExceedIdleDeadlineIfRequired() const
-{
-    if (m_webScheduler)
-        return m_webScheduler->canExceedIdleDeadlineIfRequired();
-    return false;
-}
-
-} // namespace blink