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

content/renderer/device_sensors/device_orientation_event_pump.h

 // 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.
 
 #ifndef CONTENT_RENDERER_DEVICE_SENSORS_DEVICE_ORIENTATION_EVENT_PUMP_H_
 #define CONTENT_RENDERER_DEVICE_SENSORS_DEVICE_ORIENTATION_EVENT_PUMP_H_
 
-#include <memory>
-
 #include "base/macros.h"
 #include "content/renderer/device_sensors/device_sensor_event_pump.h"
-#include "content/renderer/shared_memory_seqlock_reader.h"
-#include "device/sensors/public/cpp/orientation_data.h"
-#include "device/sensors/public/interfaces/orientation.mojom.h"
+#include "third_party/WebKit/public/platform/modules/device_orientation/WebDeviceOrientationData.h"
 
 namespace blink {
 class WebDeviceOrientationListener;
 }
 
 namespace content {
 
-typedef SharedMemorySeqLockReader<device::OrientationData>
-    DeviceOrientationSharedMemoryReader;
-
-class CONTENT_EXPORT DeviceOrientationEventPumpBase
+class CONTENT_EXPORT DeviceOrientationEventPump
     : public DeviceSensorEventPump<blink::WebDeviceOrientationListener> {
  public:
-  // Angle threshold beyond which two orientation events are considered
-  // sufficiently different.
-  static const double kOrientationThreshold;
+  explicit DeviceOrientationEventPump(RenderThread* thread);
+  ~DeviceOrientationEventPump() override;
 
-  explicit DeviceOrientationEventPumpBase(RenderThread* thread);
-  ~DeviceOrientationEventPumpBase() override;
-
-  // PlatformEventObserver.
-  void SendFakeDataForTesting(void* data) override;
+  // PlatformEventObserver:
+  void SendStartMessage() override;
+  void SendFakeDataForTesting(void* fake_data) override;
 
  protected:
+  // DeviceSensorEventPump:
   void FireEvent() override;
-  bool InitializeReader(base::SharedMemoryHandle handle) override;
 
-  bool ShouldFireEvent(const device::OrientationData& data) const;
+  virtual bool GetDataFromSharedMemory(blink::WebDeviceOrientationData* data);
 
-  device::OrientationData data_;
-  std::unique_ptr<DeviceOrientationSharedMemoryReader> reader_;
+ private:
+  // DeviceSensorEventPump:
+  bool CanStart() const override;
 
-  DISALLOW_COPY_AND_ASSIGN(DeviceOrientationEventPumpBase);
+  blink::WebDeviceOrientationData data_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeviceOrientationEventPump);
 };
 
-using DeviceOrientationEventPump =
-    DeviceSensorMojoClientMixin<DeviceOrientationEventPumpBase,
-                                device::mojom::OrientationSensor>;
-
-using DeviceOrientationAbsoluteEventPump =
-    DeviceSensorMojoClientMixin<DeviceOrientationEventPumpBase,
-                                device::mojom::OrientationAbsoluteSensor>;
-
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_DEVICE_SENSORS_DEVICE_ORIENTATION_EVENT_PUMP_H_