Refactor content/renderer/device_sensors to use device/generic_sensor instead of device/sensors

device/sensors/data_fetcher_shared_memory_default.cc

-// 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.
-
-#include "device/sensors/data_fetcher_shared_memory.h"
-
-#include "base/logging.h"
-#include "base/metrics/histogram_macros.h"
-
-namespace {
-
-bool SetMotionBuffer(device::DeviceMotionHardwareBuffer* buffer, bool enabled) {
-  if (!buffer)
-    return false;
-  buffer->seqlock.WriteBegin();
-  buffer->data.all_available_sensors_are_active = enabled;
-  buffer->seqlock.WriteEnd();
-  return true;
-}
-
-bool SetOrientationBuffer(device::DeviceOrientationHardwareBuffer* buffer,
-                          bool enabled) {
-  if (!buffer)
-    return false;
-  buffer->seqlock.WriteBegin();
-  buffer->data.all_available_sensors_are_active = enabled;
-  buffer->seqlock.WriteEnd();
-  return true;
-}
-
-}  // namespace
-
-namespace device {
-
-DataFetcherSharedMemory::DataFetcherSharedMemory() {}
-
-DataFetcherSharedMemory::~DataFetcherSharedMemory() {}
-
-bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) {
-  DCHECK(buffer);
-
-  switch (consumer_type) {
-    case CONSUMER_TYPE_MOTION:
-      motion_buffer_ = static_cast<DeviceMotionHardwareBuffer*>(buffer);
-      UMA_HISTOGRAM_BOOLEAN("InertialSensor.MotionDefaultAvailable", false);
-      return SetMotionBuffer(motion_buffer_, true);
-    case CONSUMER_TYPE_ORIENTATION:
-      orientation_buffer_ =
-          static_cast<DeviceOrientationHardwareBuffer*>(buffer);
-      UMA_HISTOGRAM_BOOLEAN("InertialSensor.OrientationDefaultAvailable",
-                            false);
-      return SetOrientationBuffer(orientation_buffer_, true);
-    case CONSUMER_TYPE_ORIENTATION_ABSOLUTE:
-      orientation_absolute_buffer_ =
-          static_cast<DeviceOrientationHardwareBuffer*>(buffer);
-      return SetOrientationBuffer(orientation_absolute_buffer_, true);
-    default:
-      NOTREACHED();
-  }
-  return false;
-}
-
-bool DataFetcherSharedMemory::Stop(ConsumerType consumer_type) {
-  switch (consumer_type) {
-    case CONSUMER_TYPE_MOTION:
-      return SetMotionBuffer(motion_buffer_, false);
-    case CONSUMER_TYPE_ORIENTATION:
-      return SetOrientationBuffer(orientation_buffer_, false);
-    case CONSUMER_TYPE_ORIENTATION_ABSOLUTE:
-      return SetOrientationBuffer(orientation_absolute_buffer_, false);
-    default:
-      NOTREACHED();
-  }
-  return false;
-}
-
-}  // namespace device