[sensors] Accelerometer sensor bindings implementation

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

Index: third_party/WebKit/Source/modules/sensor/AccelerometerReading.h
diff --git a/third_party/WebKit/Source/modules/sensor/AccelerometerReading.h b/third_party/WebKit/Source/modules/sensor/AccelerometerReading.h
new file mode 100644
index 0000000000000000000000000000000000000000..260a7ccba4e2ae4c063f356ee3afea55bde4a529
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+++ b/third_party/WebKit/Source/modules/sensor/AccelerometerReading.h
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+// 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 AccelerometerReading_h
+#define AccelerometerReading_h
+
+#include "modules/sensor/AccelerometerReadingInit.h"
+#include "modules/sensor/SensorReading.h"
+
+namespace blink {
+
+class AccelerometerReading final : public SensorReading {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  static AccelerometerReading* create(const AccelerometerReadingInit& init) {
+    return new AccelerometerReading(init);
+  }
+
+  static AccelerometerReading* create(const device::SensorReading& data) {
+    return new AccelerometerReading(data);
+  }
+
+  ~AccelerometerReading() override;
+
+  double x() const;
+  double y() const;
+  double z() const;
+
+  bool isReadingUpdated(const device::SensorReading&) const override;
+
+  DECLARE_VIRTUAL_TRACE();
+
+ private:
+  explicit AccelerometerReading(const AccelerometerReadingInit&);
+  explicit AccelerometerReading(const device::SensorReading&);
+};
+
+}  // namepsace blink
+
+#endif  // AccelerometerReading_h