Rename device_orientation to device_sensors

content/renderer/device_orientation/device_sensor_event_pump.h

-// Copyright 2013 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_SENSOR_EVENT_PUMP_H_
-#define CONTENT_RENDERER_DEVICE_SENSOR_EVENT_PUMP_H_
-
-#include "base/memory/shared_memory.h"
-#include "base/timer/timer.h"
-#include "content/public/renderer/render_process_observer.h"
-
-namespace content {
-class RenderThread;
-
-class CONTENT_EXPORT DeviceSensorEventPump : public RenderProcessObserver {
- public:
-  // Default delay between subsequent firing of events.
-  static const int kDefaultPumpDelayMillis;
-
-  int GetDelayMillis() const;
-
-  void Attach(RenderThread* thread);
-  virtual bool OnControlMessageReceived(const IPC::Message& message) = 0;
-
- protected:
-  // Constructor for a pump with default delay.
-  DeviceSensorEventPump();
-
-  // Constructor for a pump with a given delay.
-  explicit DeviceSensorEventPump(int pump_delay_millis);
-  virtual ~DeviceSensorEventPump();
-
-  // The pump is a tri-state automaton with allowed transitions as follows:
-  // STOPPED -> PENDING_START
-  // PENDING_START -> RUNNING
-  // PENDING_START -> STOPPED
-  // RUNNING -> STOPPED
-  enum PumpState {
-      STOPPED,
-      RUNNING,
-      PENDING_START
-  };
-
-  bool RequestStart();
-  void OnDidStart(base::SharedMemoryHandle handle);
-  bool Stop();
-
-  virtual void FireEvent() = 0;
-  virtual bool InitializeReader(base::SharedMemoryHandle handle) = 0;
-  virtual bool SendStartMessage() = 0;
-  virtual bool SendStopMessage() = 0;
-
-  int pump_delay_millis_;
-  PumpState state_;
-  base::RepeatingTimer<DeviceSensorEventPump> timer_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_DEVICE_SENSOR_EVENT_PUMP_H_