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..e93f89b5d2cecc60ab5d0b3da201fd861f56c72c 100644
--- a/chrome/browser/signin/easy_unlock_service.h
+++ b/chrome/browser/signin/easy_unlock_service.h
@@ -84,11 +84,12 @@ class EasyUnlockService : public KeyedService {
   // Initializes the service after ExtensionService is ready.
   void Initialize();
 
-  // Loads the Easy unlock component app.
+  // Installs the Easy unlock component app if it isn't installed or enables
+  // the app if it is installed but disabled.
   void LoadApp();
 
-  // Unloads the Easy unlock component app.
-  void UnloadApp();
+  // Disables the Easy unlock component app.
+  void DisableApp();
 
   // Checks whether Easy unlock should be running and updates app state.
   void UpdateAppState();
@@ -115,6 +116,12 @@ 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);