Refactor content/renderer/device_sensors to use device/generic_sensor instead of device/sensors

content/renderer/device_sensors/device_orientation_util.h

Index: content/renderer/device_sensors/device_orientation_util.h
diff --git a/content/renderer/device_sensors/device_orientation_util.h b/content/renderer/device_sensors/device_orientation_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..ca08af3508a48f3020e25cfb25a86c2f59cb88ed
--- /dev/null
+++ b/content/renderer/device_sensors/device_orientation_util.h
@@ -0,0 +1,52 @@
+// Copyright 2017 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 CONTENT_RENDERER_DEVICE_SENSORS_DEVICE_ORIENTATION_UTIL_H_
+#define CONTENT_RENDERER_DEVICE_SENSORS_DEVICE_ORIENTATION_UTIL_H_
+
+#include "content/common/content_export.h"
+#include "device/generic_sensor/public/cpp/sensor_reading.h"
+#include "device/generic_sensor/public/interfaces/sensor.mojom.h"
+
+namespace blink {
+class WebDeviceOrientationData;
+}
+
+namespace content {
+
+// Angle threshold beyond which two orientation events are considered
+// sufficiently different.
+constexpr double kOrientationThreshold = 0.1;
+
+constexpr uint64_t kReadingBufferSize =
+    sizeof(device::SensorReadingSharedBuffer);
+
+constexpr uint64_t kSharedBufferSizeInBytes =
+    kReadingBufferSize * static_cast<uint64_t>(device::mojom::SensorType::LAST);
+
+bool IsSignificantlyDifferent(const blink::WebDeviceOrientationData& data1,
+                              const blink::WebDeviceOrientationData& data2);
+
+void CONTENT_EXPORT ComputeDeviceOrientationFromQuaternion(double x,
+                                                           double y,
+                                                           double z,
+                                                           double w,
+                                                           double* alpha,
+                                                           double* beta,
+                                                           double* gamma);
+
+bool CONTENT_EXPORT
+ComputeDeviceOrientationFromGravityAndGeomagnetic(double gravity_x,
+                                                  double gravity_y,
+                                                  double gravity_z,
+                                                  double geomagnetic_x,
+                                                  double geomagnetic_y,
+                                                  double geomagnetic_z,
+                                                  double* alpha,
+                                                  double* beta,
+                                                  double* gamma);
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_DEVICE_SENSORS_DEVICE_ORIENTATION_UTIL_H_