Remove DeviceLightEvent implementation

content/renderer/device_sensors/device_light_event_pump_unittest.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_light_event_pump.h"
-
-#include "base/location.h"
-#include "base/macros.h"
-#include "base/run_loop.h"
-#include "base/single_thread_task_runner.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "content/public/test/test_utils.h"
-#include "device/sensors/public/cpp/device_light_hardware_buffer.h"
-#include "mojo/public/cpp/system/buffer.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/WebKit/public/platform/WebDeviceLightListener.h"
-
-namespace content {
-
-class MockDeviceLightListener : public blink::WebDeviceLightListener {
- public:
-  MockDeviceLightListener() : did_change_device_light_(false) {}
-  ~MockDeviceLightListener() override {}
-
-  void DidChangeDeviceLight(double value) override {
-    data_.value = value;
-    did_change_device_light_ = true;
-  }
-
-  bool did_change_device_light() const { return did_change_device_light_; }
-
-  void set_did_change_device_light(bool value) {
-    did_change_device_light_ = value;
-  }
-
-  const device::DeviceLightData& data() const { return data_; }
-
- private:
-  bool did_change_device_light_;
-  device::DeviceLightData data_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockDeviceLightListener);
-};
-
-class DeviceLightEventPumpForTesting : public DeviceLightEventPump {
- public:
-  DeviceLightEventPumpForTesting()
-      : DeviceLightEventPump(0) {}
-  ~DeviceLightEventPumpForTesting() override {}
-
-  void DidStart(mojo::ScopedSharedBufferHandle renderer_handle) {
-    DeviceLightEventPump::DidStart(std::move(renderer_handle));
-  }
-  void SendStartMessage() override {}
-  void SendStopMessage() override {}
-  void FireEvent() override {
-    DeviceLightEventPump::FireEvent();
-    Stop();
-    base::MessageLoop::current()->QuitWhenIdle();
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DeviceLightEventPumpForTesting);
-};
-
-class DeviceLightEventPumpTest : public testing::Test {
- public:
-  DeviceLightEventPumpTest() = default;
-
- protected:
-  void SetUp() override {
-    listener_.reset(new MockDeviceLightListener);
-    light_pump_.reset(new DeviceLightEventPumpForTesting);
-    shared_memory_ = mojo::SharedBufferHandle::Create(
-        sizeof(device::DeviceLightHardwareBuffer));
-    mapping_ = shared_memory_->Map(sizeof(device::DeviceLightHardwareBuffer));
-    ASSERT_TRUE(mapping_);
-  }
-
-  void InitBuffer() {
-    device::DeviceLightData& data = buffer()->data;
-    data.value = 1.0;
-  }
-
-  MockDeviceLightListener* listener() { return listener_.get(); }
-  DeviceLightEventPumpForTesting* light_pump() { return light_pump_.get(); }
-  mojo::ScopedSharedBufferHandle handle() {
-    return shared_memory_->Clone(
-        mojo::SharedBufferHandle::AccessMode::READ_ONLY);
-  }
-  device::DeviceLightHardwareBuffer* buffer() {
-    return reinterpret_cast<device::DeviceLightHardwareBuffer*>(mapping_.get());
-  }
-
- private:
-  base::MessageLoop loop_;
-  std::unique_ptr<MockDeviceLightListener> listener_;
-  std::unique_ptr<DeviceLightEventPumpForTesting> light_pump_;
-  mojo::ScopedSharedBufferHandle shared_memory_;
-  mojo::ScopedSharedBufferMapping mapping_;
-
-  DISALLOW_COPY_AND_ASSIGN(DeviceLightEventPumpTest);
-};
-
-TEST_F(DeviceLightEventPumpTest, DidStartPolling) {
-  InitBuffer();
-
-  light_pump()->Start(listener());
-  light_pump()->DidStart(handle());
-
-  base::RunLoop().Run();
-
-  const device::DeviceLightData& received_data = listener()->data();
-  EXPECT_TRUE(listener()->did_change_device_light());
-  EXPECT_EQ(1, static_cast<double>(received_data.value));
-}
-
-TEST_F(DeviceLightEventPumpTest, FireAllNullEvent) {
-  light_pump()->Start(listener());
-  light_pump()->DidStart(handle());
-
-  base::RunLoop().Run();
-
-  const device::DeviceLightData& received_data = listener()->data();
-  EXPECT_TRUE(listener()->did_change_device_light());
-  EXPECT_FALSE(received_data.value);
-}
-
-TEST_F(DeviceLightEventPumpTest, DidStartPollingValuesEqual) {
-  InitBuffer();
-
-  light_pump()->Start(listener());
-  light_pump()->DidStart(handle());
-
-  base::RunLoop().Run();
-
-  const device::DeviceLightData& received_data = listener()->data();
-  EXPECT_TRUE(listener()->did_change_device_light());
-  EXPECT_EQ(1, static_cast<double>(received_data.value));
-
-  double last_seen_data = received_data.value;
-  // Set next value to be same as previous value.
-  buffer()->data.value = 1.0;
-  listener()->set_did_change_device_light(false);
-
-  // Reset the pump's listener.
-  light_pump()->Start(listener());
-
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE, base::Bind(&DeviceLightEventPumpForTesting::FireEvent,
-                            base::Unretained(light_pump())));
-  base::RunLoop().Run();
-
-  // No change in device light as present value is same as previous value.
-  EXPECT_FALSE(listener()->did_change_device_light());
-  EXPECT_EQ(last_seen_data, static_cast<double>(received_data.value));
-}
-
-}  // namespace content