Hook up new API for easy unlock to update lock screen

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h

Index: chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
diff --git a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
index 00804c9542e2c01337f7d9bcee2a88c8fad0b851..2d8ffab2a3e6a299d85a2c9d4b77585b5dc3ea37 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
@@ -312,14 +312,15 @@ class SigninScreenHandler
                        const content::NotificationDetails& details) OVERRIDE;
 
   // ScreenlockBridge::LockHandler implementation:
-  virtual void ShowBannerMessage(const std::string& message) OVERRIDE;
-  virtual void ShowUserPodCustomIcon(const std::string& username,
-                                     const gfx::Image& icon) OVERRIDE;
+  virtual void ShowBannerMessage(const base::string16& message) OVERRIDE;
+  virtual void ShowUserPodCustomIcon(
+      const std::string& username,
+      const ScreenlockBridge::UserPodCustomIconOptions& icon) OVERRIDE;
   virtual void HideUserPodCustomIcon(const std::string& username) OVERRIDE;
   virtual void EnableInput() OVERRIDE;
   virtual void SetAuthType(const std::string& username,
                            ScreenlockBridge::LockHandler::AuthType auth_type,
-                           const std::string& initial_value) OVERRIDE;
+                           const base::string16& initial_value) OVERRIDE;
   virtual ScreenlockBridge::LockHandler::AuthType GetAuthType(
       const std::string& username) const OVERRIDE;
   virtual void Unlock(const std::string& user_email) OVERRIDE;
@@ -480,7 +481,7 @@ class SigninScreenHandler
   base::Closure kiosk_enable_flow_aborted_callback_for_test_;
 
   // Non-owning ptr.
-  // TODO (ygorshenin@): remove this dependency.
+  // TODO(ygorshenin@): remove this dependency.
   GaiaScreenHandler* gaia_screen_handler_;
 
   // Helper that retrieves the authenticated user's e-mail address.