SystemMonitor refactoring: move power state monitor into a separate class called PowerMonitor

chrome/browser/component_updater/test/component_updater_service_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 "chrome/browser/component_updater/component_updater_service.h"
 
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/values.h"
 #include "chrome/browser/component_updater/component_updater_interceptor.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_paths.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_browser_thread.h"
 #include "content/public/test/test_notification_tracker.h"
 #include "googleurl/src/gurl.h"
 #include "libxml/globals.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if defined(OS_MACOSX)
+#include "base/power_monitor/power_monitor.h"
+#endif
+
 using content::BrowserThread;
 using content::TestNotificationTracker;
 
 namespace {
 // Overrides some of the component updater behaviors so it is easier to test
 // and loops faster. In actual usage it takes hours do to a full cycle.
 class TestConfigurator : public ComponentUpdateService::Configurator {
  public:
   TestConfigurator() : times_(1) {
   }
@@ skipping 95 matching lines @@
 
 // Common fixture for all the component updater tests.
 class ComponentUpdaterTest : public testing::Test {
  public:
   enum TestComponents {
     kTestComponent_abag,
     kTestComponent_jebg
   };
 
   ComponentUpdaterTest() : component_updater_(NULL), test_config_(NULL) {
+#if defined(OS_MACOSX)
+    // Must be called before PowerMonitor's ctor.
+    base::PowerMonitor::AllocateSystemIOPorts();
+#endif
     // The component updater instance under test.
     test_config_ = new TestConfigurator;
     component_updater_.reset(ComponentUpdateServiceFactory(test_config_));
     // The test directory is chrome/test/data/components.
     PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir_);
     test_data_dir_ = test_data_dir_.AppendASCII("components");
 
     // Subscribe to all component updater notifications.
     const int notifications[] = {
       chrome::NOTIFICATION_COMPONENT_UPDATER_STARTED,
@@ skipping 256 matching lines @@
   test_configurator()->SetLoopCount(1);
   component_updater()->Start();
   message_loop.Run();
 
   EXPECT_EQ(1, interceptor->hit_count());
   EXPECT_EQ(0, static_cast<TestInstaller*>(com.installer)->error());
   EXPECT_EQ(0, static_cast<TestInstaller*>(com.installer)->install_count());
 
   component_updater()->Stop();
 }