chromeos: Request screen lock directly from session manager.

chrome/browser/chromeos/notifications/system_notification.h

Index: chrome/browser/chromeos/notifications/system_notification.h
diff --git a/chrome/browser/chromeos/notifications/system_notification.h b/chrome/browser/chromeos/notifications/system_notification.h
index f9d78b96fe39ea3d8aad9dccd1f257db82c613fb..284fca3dacb728a179fe596183b65ffc3c8555fb 100644
--- a/chrome/browser/chromeos/notifications/system_notification.h
+++ b/chrome/browser/chromeos/notifications/system_notification.h
@@ -13,7 +13,7 @@
 #include "base/string16.h"
 #include "chrome/browser/chromeos/notifications/balloon_view_host_chromeos.h"  // MessageCallback
 #include "chrome/browser/notifications/notification_delegate.h"
-#include "chromeos/dbus/power_manager_client.h"
+#include "chromeos/dbus/session_manager_client.h"
 #include "googleurl/src/gurl.h"
 
 class BalloonCollectionImplAsh;
@@ -24,7 +24,7 @@ namespace chromeos {
 
 // The system notification object handles the display of a system notification
 
-class SystemNotification : public PowerManagerClient::Observer {
+class SystemNotification : public SessionManagerClient::Observer {
  public:
   // The profile is the current user profile. The id is any string used
   // to uniquely identify this notification. The title is the title of
@@ -42,7 +42,7 @@ class SystemNotification : public PowerManagerClient::Observer {
 
   virtual ~SystemNotification();
 
-  // PowerManagerClient::Observer override.
+  // SessionManagerClient::Observer override.
   virtual void UnlockScreen() OVERRIDE;
 
   void set_title(const string16& title) { title_ = title; }