Move blink scheduler implementation into a component

components/scheduler/child/webthread_base.cc

 // 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.
 
 // An implementation of WebThread in terms of base::MessageLoop and
 // base::Thread
 
-#include "content/child/webthread_base.h"
+#include "components/scheduler/child/webthread_base.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/pending_task.h"
 #include "base/threading/platform_thread.h"
-#include "content/child/scheduler/single_thread_idle_task_runner.h"
+#include "components/scheduler/child/single_thread_idle_task_runner.h"
 #include "third_party/WebKit/public/platform/WebTraceLocation.h"
 
-namespace content {
+namespace scheduler {
 
 class WebThreadBase::TaskObserverAdapter
     : public base::MessageLoop::TaskObserver {
  public:
   TaskObserverAdapter(WebThread::TaskObserver* observer)
       : observer_(observer) {}
 
   void WillProcessTask(const base::PendingTask& pending_task) override {
     observer_->willProcessTask();
   }
@@ skipping 126 matching lines @@
   CHECK(isCurrentThread());
   CHECK(MessageLoop());
   CHECK(MessageLoop()->is_running());
   MessageLoop()->Quit();
 }
 
 bool WebThreadBase::isCurrentThread() const {
   return TaskRunner()->BelongsToCurrentThread();
 }
 
-}  // namespace content
+}  // namespace scheduler