Generic Sensor API : Ambient Light Sensor API.

device/sensor/sensor_manager_default.cc

Index: device/sensor/sensor_manager_default.cc
diff --git a/device/sensor/sensor_manager_default.cc b/device/sensor/sensor_manager_default.cc
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index 0000000000000000000000000000000000000000..58e86a39e05133d062b232cfcb61e11196eb3b50
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+++ b/device/sensor/sensor_manager_default.cc
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+// 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.
+
+#include "device/sensor/sensor_manager.h"
+
+#include "base/macros.h"
+
+namespace device {
+
+namespace {
+
+class SensorManagerDefault : public SensorManager {
+ public:
+  explicit SensorManagerDefault(
+      const SensorService::SensorUpdateCallback& callback) {}
+  ~SensorManagerDefault() override {}
+
+ private:
+  // SensorManager:
+  bool StartListeningSensorChange() override {
+    NOTIMPLEMENTED();
+    return false;
+  }
+
+  void StopListeningSensorChange() override { NOTIMPLEMENTED(); }
+
+  DISALLOW_COPY_AND_ASSIGN(SensorManagerDefault);
+};
+
+}  // namespace
+
+// static
+std::unique_ptr<SensorManager> SensorManager::Create(
+    const SensorService::SensorUpdateCallback& callback) {
+  return std::unique_ptr<SensorManager>(new SensorManagerDefault(callback));
+}
+
+}  // namespace device