Make DeviceOrientationEvent.prototype.absolute non-nullable

third_party/WebKit/Source/modules/device_orientation/DeviceOrientationEvent.cpp

 /*
  * Copyright 2010, The Android Open Source Project
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 26 matching lines @@
     : m_orientation(DeviceOrientationData::create())
 {
 }
 
 DeviceOrientationEvent::DeviceOrientationEvent(const AtomicString& eventType, DeviceOrientationData* orientation)
     : Event(eventType, false, false) // Can't bubble, not cancelable
     , m_orientation(orientation)
 {
 }
 
-void DeviceOrientationEvent::initDeviceOrientationEvent(const AtomicString& type, bool bubbles, bool cancelable, const Nullable<double>& alpha, const Nullable<double>& beta, const Nullable<double>& gamma, const Nullable<bool>& absolute)
+void DeviceOrientationEvent::initDeviceOrientationEvent(const AtomicString& type, bool bubbles, bool cancelable, const Nullable<double>& alpha, const Nullable<double>& beta, const Nullable<double>& gamma, bool absolute)
 {
     if (dispatched())
         return;
 
     initEvent(type, bubbles, cancelable);
     m_orientation = DeviceOrientationData::create(alpha, beta, gamma, absolute);
 }
 
 double DeviceOrientationEvent::alpha(bool& isNull) const
 {
@@ skipping 15 matching lines @@
 
 double DeviceOrientationEvent::gamma(bool& isNull) const
 {
     if (m_orientation->canProvideGamma())
         return m_orientation->gamma();
 
     isNull = true;
     return 0;
 }
 
-bool DeviceOrientationEvent::absolute(bool& isNull) const
+bool DeviceOrientationEvent::absolute() const
 {
-    if (m_orientation->canProvideAbsolute())
-        return m_orientation->absolute();
-
-    isNull = true;
-    return 0;
+    return m_orientation->absolute();
 }
 
 const AtomicString& DeviceOrientationEvent::interfaceName() const
 {
     return EventNames::DeviceOrientationEvent;
 }
 
 DEFINE_TRACE(DeviceOrientationEvent)
 {
     visitor->trace(m_orientation);
     Event::trace(visitor);
 }
 
 } // namespace blink