Make DeviceOrientationEvent.prototype.absolute non-nullable

content/browser/device_sensors/data_fetcher_shared_memory_win.cc

 // Copyright 2014 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.
 
 #include "content/browser/device_sensors/data_fetcher_shared_memory.h"
 
 #include <GuidDef.h>
 #include <InitGuid.h>
 #include <PortableDeviceTypes.h>
 #include <Sensors.h>
@@ skipping 111 matching lines @@
         &has_gamma);
 
     if (buffer_) {
       buffer_->seqlock.WriteBegin();
       buffer_->data.alpha = alpha;
       buffer_->data.hasAlpha = has_alpha;
       buffer_->data.beta = beta;
       buffer_->data.hasBeta = has_beta;
       buffer_->data.gamma = gamma;
       buffer_->data.hasGamma = has_gamma;
-      buffer_->data.absolute = true;
-      buffer_->data.hasAbsolute = has_alpha || has_beta || has_gamma;
+      buffer_->data.absolute = has_alpha || has_beta || has_gamma;
       buffer_->data.allAvailableSensorsAreActive = true;
       buffer_->seqlock.WriteEnd();
     }
 
     return true;
   }
 
  private:
   DeviceOrientationHardwareBuffer* const buffer_;
 
@@ skipping 322 matching lines @@
         motion_buffer_->data.allAvailableSensorsAreActive = enabled;
         motion_buffer_->seqlock.WriteEnd();
       }
       break;
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace content