Reland: Refactor DeviceMotionEventPump to use //device/generic_sensor instead of //device/sensors

device/generic_sensor/platform_sensor_provider_unittest_android.cc

+// Copyright 2017 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/generic_sensor/platform_sensor_provider_android.h"
+
+#include "base/macros.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace device {
+
+class PlatformSensorProviderTestAndroid : public testing::Test {
+ public:
+  PlatformSensorProviderTestAndroid() = default;
+
+  void SetUp() override {
+    provider_ = PlatformSensorProviderAndroid::GetInstance();
+    ASSERT_TRUE(provider_);
+  }
+
+  void CreateSensorCallback(scoped_refptr<PlatformSensor> sensor) {
+    EXPECT_FALSE(sensor);
+  }
+
+ protected:
+  PlatformSensorProviderAndroid* provider_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(PlatformSensorProviderTestAndroid);
+};
+
+TEST_F(PlatformSensorProviderTestAndroid, SensorManagerIsNull) {
+  provider_->SetSensorManagerToNullForTesting();
+  provider_->CreateSensor(
+      device::mojom::SensorType::AMBIENT_LIGHT,
+      base::Bind(&PlatformSensorProviderTestAndroid::CreateSensorCallback,
+                 base::Unretained(this)));
+}
+
+}  // namespace device