cros: Clean up screenlockPrivate plumbing.

chrome/browser/ui/webui/signin/user_manager_screen_handler.h

Index: chrome/browser/ui/webui/signin/user_manager_screen_handler.h
diff --git a/chrome/browser/ui/webui/signin/user_manager_screen_handler.h b/chrome/browser/ui/webui/signin/user_manager_screen_handler.h
index 2d6be31568381e421cabf5ed39c16b3db06f90a6..ccee42f17fb6c1c221ecac7e04ff47b35853af01 100644
--- a/chrome/browser/ui/webui/signin/user_manager_screen_handler.h
+++ b/chrome/browser/ui/webui/signin/user_manager_screen_handler.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_UI_WEBUI_SIGNIN_USER_MANAGER_SCREEN_HANDLER_H_
 
 #include <map>
+#include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ -39,8 +40,7 @@ class UserManagerScreenHandler : public content::WebUIMessageHandler,
   // ScreenlockBridge::LockHandler implementation.
   virtual void ShowBannerMessage(const std::string& message) OVERRIDE;
   virtual void ShowUserPodButton(const std::string& user_email,
-                                 const gfx::Image& icon,
-                                 const base::Closure& callback) OVERRIDE;
+                                 const gfx::Image& icon) OVERRIDE;
   virtual void HideUserPodButton(const std::string& user_email) OVERRIDE;
   virtual void EnableInput() OVERRIDE;
   virtual void SetAuthType(const std::string& user_email,
@@ -61,7 +61,6 @@ class UserManagerScreenHandler : public content::WebUIMessageHandler,
   void HandleLaunchGuest(const base::ListValue* args);
   void HandleLaunchUser(const base::ListValue* args);
   void HandleRemoveUser(const base::ListValue* args);
-  void HandleCustomButtonClicked(const base::ListValue* args);
   void HandleAttemptUnlock(const base::ListValue* args);
 
   // Handle GAIA auth results.