Move //device/generic_sensor to be part of the internal implementation of the Device Service.

device/generic_sensor/android/java/src/org/chromium/device/sensors/PlatformSensorProvider.java

Index: device/generic_sensor/android/java/src/org/chromium/device/sensors/PlatformSensorProvider.java
diff --git a/device/generic_sensor/android/java/src/org/chromium/device/sensors/PlatformSensorProvider.java b/device/generic_sensor/android/java/src/org/chromium/device/sensors/PlatformSensorProvider.java
deleted file mode 100644
index 18aebf099213256d52fc682a404cc447cad1a308..0000000000000000000000000000000000000000
--- a/device/generic_sensor/android/java/src/org/chromium/device/sensors/PlatformSensorProvider.java
+++ /dev/null
@@ -1,167 +0,0 @@
-// Copyright 2016 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.
-
-package org.chromium.device.sensors;
-
-import android.content.Context;
-import android.hardware.Sensor;
-import android.hardware.SensorManager;
-import android.os.Build;
-import android.os.Handler;
-import android.os.HandlerThread;
-
-import org.chromium.base.ContextUtils;
-import org.chromium.base.annotations.CalledByNative;
-import org.chromium.base.annotations.JNINamespace;
-import org.chromium.device.mojom.SensorType;
-
-import java.util.HashSet;
-import java.util.Set;
-
-/**
- * Lifetime is controlled by device::PlatformSensorProviderAndroid.
- */
-@JNINamespace("device")
-class PlatformSensorProvider {
-    /**
-     * SensorManager that is shared among PlatformSensor objects. It is used for Sensor object
-     * creation and @see android.hardware.SensorEventListener registration.
-     * @see android.hardware.SensorManager
-     */
-    private final SensorManager mSensorManager;
-
-    /**
-     * Thread that is handling all sensor events.
-     */
-    private HandlerThread mSensorsThread;
-
-    /**
-     * Processes messages on #mSensorsThread message queue. Provided to #mSensorManager when
-     * sensor should start polling for data.
-     */
-    private Handler mHandler;
-
-    /**
-     * Set of currently active PlatformSensor objects.
-     */
-    private final Set<PlatformSensor> mActiveSensors = new HashSet<PlatformSensor>();
-
-    /**
-     * Returns shared thread Handler.
-     *
-     * @return Handler thread handler.
-     */
-    public Handler getHandler() {
-        return mHandler;
-    }
-
-    /**
-     * Returns shared SensorManager.
-     *
-     * @return SensorManager sensor manager.
-     */
-    public SensorManager getSensorManager() {
-        return mSensorManager;
-    }
-
-    /**
-     * Notifies PlatformSensorProvider that sensor started polling for data. Adds sensor to
-     * a set of active sensors, creates and starts new thread if needed.
-     */
-    public void sensorStarted(PlatformSensor sensor) {
-        if (mActiveSensors.isEmpty()) startSensorThread();
-        mActiveSensors.add(sensor);
-    }
-
-    /**
-     * Notifies PlatformSensorProvider that sensor is no longer polling for data. When
-     * #mActiveSensors becomes empty thread is stopped.
-     */
-    public void sensorStopped(PlatformSensor sensor) {
-        mActiveSensors.remove(sensor);
-        if (mActiveSensors.isEmpty()) stopSensorThread();
-    }
-
-    /**
-     * Starts sensor handler thread.
-     */
-    protected void startSensorThread() {
-        if (mSensorsThread == null) {
-            mSensorsThread = new HandlerThread("SensorsHandlerThread");
-            mSensorsThread.start();
-            mHandler = new Handler(mSensorsThread.getLooper());
-        }
-    }
-
-    /**
-     * Stops sensor handler thread.
-     */
-    protected void stopSensorThread() {
-        if (mSensorsThread != null) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
-                mSensorsThread.quitSafely();
-            } else {
-                mSensorsThread.quit();
-            }
-            mSensorsThread = null;
-            mHandler = null;
-        }
-    }
-
-    /**
-     * Constructor.
-     */
-    protected PlatformSensorProvider(Context context) {
-        mSensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
-    }
-
-    /**
-     * Creates PlatformSensorProvider instance.
-     *
-     * @return PlatformSensorProvider new PlatformSensorProvider instance.
-     */
-    protected static PlatformSensorProvider createForTest(Context context) {
-        return new PlatformSensorProvider(context);
-    }
-
-    /**
-     * Creates PlatformSensorProvider instance.
-     *
-     * @return PlatformSensorProvider new PlatformSensorProvider instance.
-     */
-    @CalledByNative
-    protected static PlatformSensorProvider create() {
-        return new PlatformSensorProvider(ContextUtils.getApplicationContext());
-    }
-
-    /**
-     * Creates PlatformSensor instance.
-     *
-     * @param type type of a sensor.
-     * @return PlatformSensor new PlatformSensor instance or null if sensor cannot be created.
-     */
-    @CalledByNative
-    protected PlatformSensor createSensor(int type) {
-        if (mSensorManager == null) return null;
-
-        switch (type) {
-            case SensorType.AMBIENT_LIGHT:
-                return PlatformSensor.create(Sensor.TYPE_LIGHT, 1, this);
-            case SensorType.ACCELEROMETER:
-                return PlatformSensor.create(Sensor.TYPE_ACCELEROMETER, 3, this);
-            case SensorType.LINEAR_ACCELERATION:
-                return PlatformSensor.create(Sensor.TYPE_LINEAR_ACCELERATION, 3, this);
-            case SensorType.GYROSCOPE:
-                return PlatformSensor.create(Sensor.TYPE_GYROSCOPE, 3, this);
-            case SensorType.MAGNETOMETER:
-                return PlatformSensor.create(Sensor.TYPE_MAGNETIC_FIELD, 3, this);
-            case SensorType.ABSOLUTE_ORIENTATION:
-                return PlatformSensor.create(Sensor.TYPE_ROTATION_VECTOR, 4, this);
-            case SensorType.RELATIVE_ORIENTATION:
-                return PlatformSensor.create(Sensor.TYPE_GAME_ROTATION_VECTOR, 4, this);
-            default:
-                return null;
-        }
-    }
-}