Revert of Attempting to resolve a race condition with PowerMonitor

chrome/browser/extensions/event_router_forwarder_unittest.cc

Index: chrome/browser/extensions/event_router_forwarder_unittest.cc
diff --git a/chrome/browser/extensions/event_router_forwarder_unittest.cc b/chrome/browser/extensions/event_router_forwarder_unittest.cc
index 807899d57b684648eab8fd47e00065f726ced6da..faf51fb8370f00c29055cdeb8421467a74a3477b 100644
--- a/chrome/browser/extensions/event_router_forwarder_unittest.cc
+++ b/chrome/browser/extensions/event_router_forwarder_unittest.cc
@@ -97,11 +97,7 @@
 #endif
     scoped_ptr<base::PowerMonitorSource> power_monitor_source(
       new base::PowerMonitorDeviceSource());
-    base::PowerMonitor::Initialize(power_monitor_source.Pass());
-  }
-
-  virtual ~EventRouterForwarderTest() {
-    base::PowerMonitor::ShutdownForTesting();
+    dummy.reset(new base::PowerMonitor(power_monitor_source.Pass()));
   }
 
   virtual void SetUp() {
@@ -118,6 +114,7 @@
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread io_thread_;
   TestingProfileManager profile_manager_;
+  scoped_ptr<base::PowerMonitor> dummy;
   // Profiles are weak pointers, owned by ProfileManager in |browser_process_|.
   TestingProfile* profile1_;
   TestingProfile* profile2_;