Unload Easy Unlock app when ChromeOS suspends and reload on wake up.

chrome/browser/signin/easy_unlock_service.h

Index: chrome/browser/signin/easy_unlock_service.h
diff --git a/chrome/browser/signin/easy_unlock_service.h b/chrome/browser/signin/easy_unlock_service.h
index 250a2059dc9141acfd94d69f92f4441f95699ef0..8dd2e85825718e25a26fa85b978e3533c549054c 100644
--- a/chrome/browser/signin/easy_unlock_service.h
+++ b/chrome/browser/signin/easy_unlock_service.h
@@ -115,6 +115,12 @@ class EasyUnlockService : public KeyedService {
   scoped_ptr<EasyUnlockToggleFlow> turn_off_flow_;
   ObserverList<EasyUnlockServiceObserver> observers_;
 
+#if defined(OS_CHROMEOS)
+  // Monitors suspend and wake state of ChromeOS.
+  class PowerMonitor;
+  scoped_ptr<PowerMonitor> power_monitor_;
+#endif
+
   base::WeakPtrFactory<EasyUnlockService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockService);