Signal no pending activity in destructed contexts.

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

Index: third_party/WebKit/Source/modules/sensor/Sensor.cpp
diff --git a/third_party/WebKit/Source/modules/sensor/Sensor.cpp b/third_party/WebKit/Source/modules/sensor/Sensor.cpp
index 57faf7541adba4fe11261d42f7eace3eb949678f..d617472e497c613704a35f8395e23f5def62b549 100644
--- a/third_party/WebKit/Source/modules/sensor/Sensor.cpp
+++ b/third_party/WebKit/Source/modules/sensor/Sensor.cpp
@@ -132,7 +132,7 @@ bool Sensor::hasPendingActivity() const {
   if (m_state == Sensor::SensorState::Idle ||
       m_state == Sensor::SensorState::Errored)
     return false;
-  return hasEventListeners();
+  return getExecutionContext() && hasEventListeners();
 }
 
 auto Sensor::createSensorConfig() -> SensorConfigurationPtr {