Use the scheduling mechanism provided by the platform

Source/platform/scheduler/TracedTask.cpp

Index: Source/platform/scheduler/TracedTask.cpp
diff --git a/Source/platform/scheduler/TracedTask.cpp b/Source/platform/scheduler/TracedTask.cpp
deleted file mode 100644
index c92efb9ef5c2defa2d734e5e42ad9b7a4d12f9a5..0000000000000000000000000000000000000000
--- a/Source/platform/scheduler/TracedTask.cpp
+++ /dev/null
@@ -1,97 +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/TracedTask.h"
-#include "platform/scheduler/Scheduler.h"
-#include "wtf/PassOwnPtr.h"
-
-namespace blink {
-namespace internal {
-
-volatile int TracedTask::s_nextFlowTraceID = 0;
-
-TracedTask::TracedTask(const TraceLocation& location, const char* traceName)
-    : m_location(location)
-    , m_traceName(traceName)
-{
-    bool tracingEnabled;
-    TRACE_EVENT_CATEGORY_GROUP_ENABLED("blink", &tracingEnabled);
-
-    if (tracingEnabled) {
-        // atomicIncrement is slow so we only do it if tracing is enabled
-        m_flowTraceID = static_cast<uint64_t>(atomicIncrement(&s_nextFlowTraceID));
-
-        TRACE_EVENT_FLOW_BEGIN2("blink", m_traceName, MANGLE(m_flowTraceID),
-        "src_file", m_location.fileName(),
-        "src_func", m_location.functionName());
-    }
-}
-
-TraceLocation TracedTask::getLocation() const
-{
-    return m_location;
-}
-
-const char* TracedTask::getTraceName() const
-{
-    return m_traceName;
-}
-
-void TracedTask::endFlowTraceEvent() const
-{
-    TRACE_EVENT_FLOW_END0("blink", m_traceName, MANGLE(m_flowTraceID));
-}
-
-TracedTask::~TracedTask() { }
-
-TracedStandardTask::TracedStandardTask(const Task& task, const TraceLocation& location, const char* traceName)
-    : TracedTask(location, traceName)
-    , m_task(task) { }
-
-TracedStandardTask::~TracedStandardTask() { }
-
-// static
-PassOwnPtr<TracedStandardTask> TracedStandardTask::Create(const Task& task, const TraceLocation& location, const char* traceName)
-{
-    return adoptPtr(new TracedStandardTask(task, location, traceName));
-}
-
-void TracedStandardTask::run() const
-{
-    endFlowTraceEvent();
-    TRACE_EVENT2("blink", getTraceName(),
-        "src_file", getLocation().fileName(),
-        "src_func", getLocation().functionName());
-
-    m_task();
-}
-
-TracedIdleTask::TracedIdleTask(const IdleTask& idleTask, const TraceLocation& location, const char* traceName)
-    : TracedTask(location, traceName)
-    , m_idleTask(idleTask)
-{
-    ASSERT(Scheduler::shared());
-}
-
-TracedIdleTask::~TracedIdleTask() { }
-
-// static
-PassOwnPtr<TracedIdleTask> TracedIdleTask::Create(const IdleTask& idleTask, const TraceLocation& location, const char* traceName)
-{
-    return adoptPtr(new TracedIdleTask(idleTask, location, traceName));
-}
-
-void TracedIdleTask::run() const
-{
-    endFlowTraceEvent();
-    TRACE_EVENT2("blink", getTraceName(),
-        "src_file", getLocation().fileName(),
-        "src_func", getLocation().functionName());
-
-    m_idleTask(Scheduler::shared()->currentFrameDeadlineForIdleTasks());
-}
-
-} // namespace internal
-} // namespace blink