Decouple Power Monitor from //content.

content/child/power_monitor_broadcast_source_unittest.cc

-// Copyright 2013 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 "base/macros.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "base/test/power_monitor_test_base.h"
-#include "content/child/power_monitor_broadcast_source.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-class PowerMonitorBroadcastSourceTest : public testing::Test {
- protected:
-  PowerMonitorBroadcastSourceTest() {
-    power_monitor_source_ = new PowerMonitorBroadcastSource();
-    power_monitor_.reset(new base::PowerMonitor(
-        std::unique_ptr<base::PowerMonitorSource>(power_monitor_source_)));
-  }
-  ~PowerMonitorBroadcastSourceTest() override {}
-
-  PowerMonitorBroadcastSource* source() { return power_monitor_source_; }
-  base::PowerMonitor* monitor() { return power_monitor_.get(); }
-
-  base::MessageLoop message_loop_;
-
- private:
-  PowerMonitorBroadcastSource* power_monitor_source_;
-  std::unique_ptr<base::PowerMonitor> power_monitor_;
-
-  DISALLOW_COPY_AND_ASSIGN(PowerMonitorBroadcastSourceTest);
-};
-
-TEST_F(PowerMonitorBroadcastSourceTest, PowerMessageReceiveBroadcast) {
-
-  base::PowerMonitorTestObserver observer;
-  monitor()->AddObserver(&observer);
-
-  // Sending resume when not suspended should have no effect.
-  source()->Resume();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(observer.resumes(), 0);
-
-  // Pretend we suspended.
-  source()->Suspend();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(observer.suspends(), 1);
-
-  // Send a second suspend notification.  This should be suppressed.
-  source()->Suspend();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(observer.suspends(), 1);
-
-  // Pretend we were awakened.
-  source()->Resume();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(observer.resumes(), 1);
-
-  // Send a duplicate resume notification.  This should be suppressed.
-  source()->Resume();
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(observer.resumes(), 1);
-
-  // Pretend the device has gone on battery power
-  source()->PowerStateChange(true);
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(observer.power_state_changes(), 1);
-  EXPECT_EQ(observer.last_power_state(), true);
-
-  // Repeated indications the device is on battery power should be suppressed.
-  source()->PowerStateChange(true);
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(observer.power_state_changes(), 1);
-
-  // Pretend the device has gone off battery power
-  source()->PowerStateChange(false);
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(observer.power_state_changes(), 2);
-  EXPECT_EQ(observer.last_power_state(), false);
-
-  // Repeated indications the device is off battery power should be suppressed.
-  source()->PowerStateChange(false);
-  base::RunLoop().RunUntilIdle();
-  EXPECT_EQ(observer.power_state_changes(), 2);
-}
-
-}  // namespace base