[Sensors] Cancel pending 'onchange' notifications

third_party/WebKit/Source/modules/sensor/Sensor.h

 // 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.
 
 #ifndef Sensor_h
 #define Sensor_h
 
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/DOMHighResTimeStamp.h"
 #include "core/dom/DOMTimeStamp.h"
 #include "core/dom/SuspendableObject.h"
 #include "core/frame/PlatformEventController.h"
 #include "modules/EventTargetModules.h"
 #include "modules/sensor/SensorOptions.h"
 #include "modules/sensor/SensorProxy.h"
+#include "platform/WebTaskRunner.h"
 #include "platform/bindings/ActiveScriptWrappable.h"
 #include "platform/bindings/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class DOMException;
 class ExceptionState;
 class ExecutionContext;
 class SensorReading;
@@ skipping 82 matching lines @@
   void NotifyOnActivate();
   void NotifyError(DOMException* error);
 
  private:
   SensorOptions sensor_options_;
   device::mojom::blink::SensorType type_;
   SensorState state_;
   Member<SensorProxy> sensor_proxy_;
   device::SensorReading reading_;
   SensorConfigurationPtr configuration_;
-  bool pending_reading_update_;
+  TaskHandle pending_reading_update_;
 };
 
 }  // namespace blink
 
 #endif  // Sensor_h