scheduler: Move WebFrameScheduler and WebScheduler into Blink

third_party/WebKit/Source/core/dom/IdleDeadline.cpp

 // 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 "core/dom/IdleDeadline.h"
 
 #include "core/timing/PerformanceBase.h"
+#include "platform/scheduler/child/web_scheduler.h"
 #include "platform/wtf/CurrentTime.h"
 #include "public/platform/Platform.h"
-#include "public/platform/WebScheduler.h"
 
 namespace blink {
 
 IdleDeadline::IdleDeadline(double deadline_seconds, CallbackType callback_type)
     : deadline_seconds_(deadline_seconds), callback_type_(callback_type) {}
 
 double IdleDeadline::timeRemaining() const {
   double time_remaining = deadline_seconds_ - MonotonicallyIncreasingTime();
   if (time_remaining < 0) {
     time_remaining = 0;
   } else if (Platform::Current()
                  ->CurrentThread()
                  ->Scheduler()
                  ->ShouldYieldForHighPriorityWork()) {
     time_remaining = 0;
   }
 
   return 1000.0 * PerformanceBase::ClampTimeResolution(time_remaining);
 }
 
 }  // namespace blink