Move blink scheduler implementation into a component

components/scheduler/child/web_scheduler_impl.h

 // 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.
 
 #ifndef CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_
 #define CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
-#include "content/common/content_export.h"
+#include "components/scheduler/scheduler_export.h"
 #include "third_party/WebKit/public/platform/WebScheduler.h"
 #include "third_party/WebKit/public/platform/WebThread.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
-namespace content {
+namespace scheduler {
 
 class ChildScheduler;
 class SingleThreadIdleTaskRunner;
 
-class CONTENT_EXPORT WebSchedulerImpl : public blink::WebScheduler {
+class SCHEDULER_EXPORT WebSchedulerImpl : public blink::WebScheduler {
  public:
   WebSchedulerImpl(
       ChildScheduler* child_scheduler,
       scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> timer_task_runner);
   ~WebSchedulerImpl() override;
 
   // blink::WebScheduler implementation:
   virtual bool shouldYieldForHighPriorityWork();
@@ skipping 14 matching lines @@
   static void runIdleTask(scoped_ptr<blink::WebThread::IdleTask> task,
                           base::TimeTicks deadline);
   static void runTask(scoped_ptr<blink::WebThread::Task> task);
 
   ChildScheduler* child_scheduler_;  // NOT OWNED
   scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> timer_task_runner_;
 };
 
-}  // namespace content
+}  // namespace scheduler
 
 #endif  // CONTENT_CHILD_SCHEDULER_BASE_WEB_SCHEDULER_IMPL_H_