scheduler: Move the Blink scheduler into Blink

third_party/WebKit/Source/platform/scheduler/base/long_task_tracker.cc

 // Copyright 2016 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 "components/scheduler/base/long_task_tracker.h"
+#include "platform/scheduler/base/long_task_tracker.h"
 
+namespace blink {
 namespace scheduler {
 
 namespace {
 int kLongTaskThresholdMillis = 50;
 }
 
 LongTaskTracker::LongTaskTracker() {}
 
 LongTaskTracker::~LongTaskTracker() {}
 
 void LongTaskTracker::RecordLongTask(base::TimeTicks startTime,
                                      base::TimeDelta duration) {
   if (duration.InMilliseconds() > kLongTaskThresholdMillis) {
     long_task_times_.push_back(std::make_pair(startTime, duration));
   }
 }
 
 LongTaskTracker::LongTaskTiming LongTaskTracker::GetLongTaskTiming() {
   return std::move(long_task_times_);
 }
 
 }  // namespace scheduler
+}  // namespace blink