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diff --git a/chromium/content/browser/device_orientation/data_fetcher_impl_android.h b/chromium/content/browser/device_orientation/data_fetcher_impl_android.h
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--- a/chromium/content/browser/device_orientation/data_fetcher_impl_android.h
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-// Copyright (c) 2012 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 CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_
-#define CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_
-
-#include "base/android/scoped_java_ref.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/synchronization/lock.h"
-#include "content/browser/device_orientation/device_data.h"
-#include "content/common/content_export.h"
-#include "content/common/device_orientation/device_motion_hardware_buffer.h"
-#include "content/common/device_orientation/device_orientation_hardware_buffer.h"
-
-template<typename T> struct DefaultSingletonTraits;
-
-namespace content {
-
-// Android implementation of Device Orientation API.
-//
-// Android's SensorManager has a push API, so when Got*() methods are called
-// by the system the browser process puts the received data into a shared
-// memory buffer, which is read by the renderer processes.
-//
-
-// TODO(timvolodine): rename this class to SensorManagerAndroid.
-class CONTENT_EXPORT DataFetcherImplAndroid {
- public:
- // Must be called at startup, before GetInstance().
- static bool Register(JNIEnv* env);
-
- // Needs to be thread-safe, because accessed from different threads.
- static DataFetcherImplAndroid* GetInstance();
-
- // Called from Java via JNI.
- void GotOrientation(JNIEnv*, jobject,
- double alpha, double beta, double gamma);
- void GotAcceleration(JNIEnv*, jobject,
- double x, double y, double z);
- void GotAccelerationIncludingGravity(JNIEnv*, jobject,
- double x, double y, double z);
- void GotRotationRate(JNIEnv*, jobject,
- double alpha, double beta, double gamma);
-
- virtual bool Start(DeviceData::Type event_type);
- virtual void Stop(DeviceData::Type event_type);
-
- // Shared memory related methods.
- bool StartFetchingDeviceMotionData(DeviceMotionHardwareBuffer* buffer);
- void StopFetchingDeviceMotionData();
-
- bool StartFetchingDeviceOrientationData(
- DeviceOrientationHardwareBuffer* buffer);
- void StopFetchingDeviceOrientationData();
-
- protected:
- DataFetcherImplAndroid();
- virtual ~DataFetcherImplAndroid();
-
- virtual int GetNumberActiveDeviceMotionSensors();
-
- private:
- friend struct DefaultSingletonTraits<DataFetcherImplAndroid>;
-
- void CheckMotionBufferReadyToRead();
- void SetMotionBufferReadyStatus(bool ready);
- void ClearInternalMotionBuffers();
-
- void SetOrientationBufferReadyStatus(bool ready);
-
- enum {
- RECEIVED_MOTION_DATA_ACCELERATION = 0,
- RECEIVED_MOTION_DATA_ACCELERATION_INCL_GRAVITY = 1,
- RECEIVED_MOTION_DATA_ROTATION_RATE = 2,
- RECEIVED_MOTION_DATA_MAX = 3,
- };
-
- // The Java provider of orientation info.
- base::android::ScopedJavaGlobalRef<jobject> device_orientation_;
- int number_active_device_motion_sensors_;
- int received_motion_data_[RECEIVED_MOTION_DATA_MAX];
- DeviceMotionHardwareBuffer* device_motion_buffer_;
- DeviceOrientationHardwareBuffer* device_orientation_buffer_;
- bool is_motion_buffer_ready_;
- bool is_orientation_buffer_ready_;
-
- base::Lock motion_buffer_lock_;
- base::Lock orientation_buffer_lock_;
-
- DISALLOW_COPY_AND_ASSIGN(DataFetcherImplAndroid);
-};
-
-} // namespace content
-
-#endif // CHROME_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_IMPL_ANDROID_H_