1 files changed, 1 insertions, 7 deletions
diff --git a/chromium/third_party/WebKit/Source/modules/device_orientation/DeviceMotionController.cpp b/chromium/third_party/WebKit/Source/modules/device_orientation/DeviceMotionController.cpp
index 1d43fa4c34e..4e28bf2f254 100644
--- a/chromium/third_party/WebKit/Source/modules/device_orientation/DeviceMotionController.cpp
+++ b/chromium/third_party/WebKit/Source/modules/device_orientation/DeviceMotionController.cpp
@@ -35,8 +35,7 @@
 namespace WebCore {
 
 DeviceMotionController::DeviceMotionController(Document* document)
-    : DOMWindowLifecycleObserver(document->domWindow())
-    , DeviceSensorEventController(document)
+    : DeviceSensorEventController(document)
 {
 }
 
@@ -91,9 +90,4 @@ bool DeviceMotionController::isNullEvent(Event* event)
     return !motionEvent->deviceMotionData()->canProvideEventData();
 }
 
-void DeviceMotionController::removeAllEventListeners()
-{
-    stopUpdating();
-}
-
 } // namespace WebCore