Revert 137960 - Base: Add power requirements to the System monitor.

base/system_monitor/system_monitor_unittest.cc

 // Copyright (c) 2012 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/file_path.h"
 #include "base/test/mock_devices_changed_observer.h"
 #include "base/system_monitor/system_monitor.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 119 matching lines @@
 
   system_monitor.ProcessMediaDeviceAttached(
       1, "media device", FilePath(FILE_PATH_LITERAL("path")));
   loop.RunAllPending();
 
   system_monitor.ProcessMediaDeviceDetached(1);
   system_monitor.ProcessMediaDeviceDetached(2);
   loop.RunAllPending();
 }
 
-TEST(SystemMonitor, PowerRequirements) {
-#if defined(OS_WIN)
-  MessageLoop loop;
-  SystemMonitor system_monitor;
-  ASSERT_EQ(0, system_monitor.GetPowerRequirementsCountForTest());
-
-  system_monitor.BeginPowerRequirement(SystemMonitor::TEST_REQUIRED, "foo");
-  ASSERT_EQ(1, system_monitor.GetPowerRequirementsCountForTest());
-
-  system_monitor.BeginPowerRequirement(SystemMonitor::TEST_REQUIRED, "bar");
-  ASSERT_EQ(2, system_monitor.GetPowerRequirementsCountForTest());
-
-  // A second identical request should not increase the request count.
-  system_monitor.BeginPowerRequirement(SystemMonitor::TEST_REQUIRED, "bar");
-  ASSERT_EQ(2, system_monitor.GetPowerRequirementsCountForTest());
-
-  system_monitor.EndPowerRequirement(SystemMonitor::TEST_REQUIRED, "foo");
-  ASSERT_EQ(1, system_monitor.GetPowerRequirementsCountForTest());
-
-  // The request count should not decrease until all identical requests end.
-  system_monitor.EndPowerRequirement(SystemMonitor::TEST_REQUIRED, "bar");
-  ASSERT_EQ(1, system_monitor.GetPowerRequirementsCountForTest());
-
-  system_monitor.EndPowerRequirement(SystemMonitor::TEST_REQUIRED, "bar");
-  ASSERT_EQ(0, system_monitor.GetPowerRequirementsCountForTest());
-#endif  // defined(OS_WIN)
-}
-
 }  // namespace base