Convert device_sensors to use mojo.

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/interfaces/orientation.mojom.h"
 #include "third_party/WebKit/public/platform/modules/device_orientation/WebDeviceOrientationData.h"
 
 namespace blink {
 class WebDeviceOrientationListener;
 }
 
 namespace content {
 
 typedef SharedMemorySeqLockReader<blink::WebDeviceOrientationData>
     DeviceOrientationSharedMemoryReader;
 
-class CONTENT_EXPORT DeviceOrientationEventPump
+class CONTENT_EXPORT DeviceOrientationEventPumpBase
     : 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.
-  bool OnControlMessageReceived(const IPC::Message& message) override;
   void SendFakeDataForTesting(void* data) override;
 
  protected:
   void FireEvent() override;
   bool InitializeReader(base::SharedMemoryHandle handle) override;
 
-  // PlatformEventObserver.
-  void SendStartMessage() override;
-  void SendStopMessage() override;
-
   bool ShouldFireEvent(const blink::WebDeviceOrientationData& data) const;
 
   blink::WebDeviceOrientationData data_;
   std::unique_ptr<DeviceOrientationSharedMemoryReader> reader_;
 
-  DISALLOW_COPY_AND_ASSIGN(DeviceOrientationEventPump);
+  DISALLOW_COPY_AND_ASSIGN(DeviceOrientationEventPumpBase);
 };
 
+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_