Refactor code listening to platform events in content/renderer/.

content/renderer/device_sensors/device_motion_event_pump.h

Index: content/renderer/device_sensors/device_motion_event_pump.h
diff --git a/content/renderer/device_sensors/device_motion_event_pump.h b/content/renderer/device_sensors/device_motion_event_pump.h
index c02f814142bc2e13cfa94cc7a75a841c0fd1d1e6..97339d45b73544dffd6fbae67e752269a4c3f526 100644
--- a/content/renderer/device_sensors/device_motion_event_pump.h
+++ b/content/renderer/device_sensors/device_motion_event_pump.h
@@ -19,27 +19,27 @@ namespace content {
 typedef SharedMemorySeqLockReader<blink::WebDeviceMotionData>
     DeviceMotionSharedMemoryReader;
 
-class CONTENT_EXPORT DeviceMotionEventPump : public DeviceSensorEventPump {
+class CONTENT_EXPORT DeviceMotionEventPump
+    : public DeviceSensorEventPump<blink::WebDeviceMotionListener> {
  public:
-  DeviceMotionEventPump();
-  explicit DeviceMotionEventPump(int pump_delay_millis);
+  explicit DeviceMotionEventPump(RenderThread* thread);
   virtual ~DeviceMotionEventPump();
 
-  // Sets the listener to receive updates for device motion data at
-  // regular intervals. Returns true if the registration was successful.
-  bool SetListener(blink::WebDeviceMotionListener* listener);
-
-  // RenderProcessObserver implementation.
+  // // PlatformEventObserver.
   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
+  virtual void SendFakeDataForTesting(void* fake_data) OVERRIDE;
 
  protected:
   virtual void FireEvent() OVERRIDE;
   virtual bool InitializeReader(base::SharedMemoryHandle handle) OVERRIDE;
-  virtual bool SendStartMessage() OVERRIDE;
-  virtual bool SendStopMessage() OVERRIDE;
 
-  blink::WebDeviceMotionListener* listener_;
+  // PlatformEventObserver.
+  virtual void SendStartMessage() OVERRIDE;
+  virtual void SendStopMessage() OVERRIDE;
+
   scoped_ptr<DeviceMotionSharedMemoryReader> reader_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeviceMotionEventPump);
 };
 
 }  // namespace content