[scheduler] Implement time-based cpu throttling.

third_party/WebKit/Source/platform/scheduler/child/scheduler_helper.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 THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_SCHEDULER_HELPER_H_
 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_SCHEDULER_HELPER_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
@@ skipping 46 matching lines @@
   void RemoveTaskTimeObserver(TaskTimeObserver* task_time_observer);
 
   // Shuts down the scheduler by dropping any remaining pending work in the work
   // queues. After this call any work posted to the task runners will be
   // silently dropped.
   void Shutdown();
 
   // Returns true if Shutdown() has been called. Otherwise returns false.
   bool IsShutdown() const { return !task_queue_manager_.get(); }
 
-  void CheckOnValidThread() const {
+  inline void CheckOnValidThread() const {
     DCHECK(thread_checker_.CalledOnValidThread());
   }
 
   // Creates a new TaskQueue with the given |spec|.
   scoped_refptr<TaskQueue> NewTaskQueue(const TaskQueue::Spec& spec);
 
   class BLINK_PLATFORM_EXPORT Observer {
    public:
     virtual ~Observer() {}
 
@@ skipping 37 matching lines @@
   const char* tracing_category_;
   const char* disabled_by_default_tracing_category_;
 
   DISALLOW_COPY_AND_ASSIGN(SchedulerHelper);
 };
 
 }  // namespace scheduler
 }  // namespace blink
 
 #endif  // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_SCHEDULER_HELPER_H_