Revert of Device Orientation API on Chrome OS

content/browser/device_sensors/data_fetcher_shared_memory.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_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_H_
 #define CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_H_
 
 #include "content/browser/device_sensors/data_fetcher_shared_memory_base.h"
 
 #if !defined(OS_ANDROID)
 #include "content/common/device_sensors/device_light_hardware_buffer.h"
 #include "content/common/device_sensors/device_motion_hardware_buffer.h"
 #include "content/common/device_sensors/device_orientation_hardware_buffer.h"
 #endif
 
 #if defined(OS_MACOSX)
 class SuddenMotionSensor;
 #elif defined(OS_WIN)
 #include <SensorsApi.h>
 #include "base/win/scoped_comptr.h"
 #endif
 
 namespace content {
 
-#if defined(OS_CHROMEOS)
-class SensorManagerChromeOS;
-#elif defined(OS_MACOSX)
+#if defined(OS_MACOSX)
 class AmbientLightSensor;
 #endif
 
 class CONTENT_EXPORT DataFetcherSharedMemory
     : public DataFetcherSharedMemoryBase {
 
  public:
   DataFetcherSharedMemory();
   ~DataFetcherSharedMemory() override;
 
  private:
   bool Start(ConsumerType consumer_type, void* buffer) override;
   bool Stop(ConsumerType consumer_type) override;
 
 #if !defined(OS_ANDROID)
   DeviceMotionHardwareBuffer* motion_buffer_;
   DeviceOrientationHardwareBuffer* orientation_buffer_;
   DeviceLightHardwareBuffer* light_buffer_;
 #endif
-
-#if defined(OS_CHROMEOS)
-  scoped_ptr<SensorManagerChromeOS> sensor_manager_;
-#elif defined(OS_MACOSX)
+#if defined(OS_MACOSX)
   void Fetch(unsigned consumer_bitmask) override;
   FetcherType GetType() const override;
 
   scoped_ptr<AmbientLightSensor> ambient_light_sensor_;
   scoped_ptr<SuddenMotionSensor> sudden_motion_sensor_;
 #elif defined(OS_WIN)
   class SensorEventSink;
   class SensorEventSinkMotion;
   class SensorEventSinkOrientation;
 
   virtual FetcherType GetType() const override;
 
   bool RegisterForSensor(REFSENSOR_TYPE_ID sensor_type, ISensor** sensor,
       scoped_refptr<SensorEventSink> event_sink);
   void DisableSensors(ConsumerType consumer_type);
   void SetBufferAvailableState(ConsumerType consumer_type, bool enabled);
 
   base::win::ScopedComPtr<ISensor> sensor_inclinometer_;
   base::win::ScopedComPtr<ISensor> sensor_accelerometer_;
   base::win::ScopedComPtr<ISensor> sensor_gyrometer_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(DataFetcherSharedMemory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_H_