[cros] User images are updated on the login 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 7ae0c35650fad417592de0dc3a498e11b1c27c78..ae7b0d002e227a639eb560a97d55bec2cc9063b1 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
@@ -28,6 +28,7 @@ class ListValue;
 namespace chromeos {
 
 class NetworkStateInformer;
+class User;
 
 // An interface for WebUILoginDisplay to call SigninScreenHandler.
 class LoginDisplayWebUIHandler {
@@ -35,6 +36,7 @@ class LoginDisplayWebUIHandler {
   virtual void ClearAndEnablePassword() = 0;
   virtual void OnLoginSuccess(const std::string& username) = 0;
   virtual void OnUserRemoved(const std::string& username) = 0;
+  virtual void OnUserImageChanged(const User& user) = 0;
   virtual void ShowError(int login_attempts,
                          const std::string& error_text,
                          const std::string& help_link_text,
@@ -123,6 +125,7 @@ class SigninScreenHandler : public BaseScreenHandler,
   virtual void ClearAndEnablePassword() OVERRIDE;
   virtual void OnLoginSuccess(const std::string& username) OVERRIDE;
   virtual void OnUserRemoved(const std::string& username) OVERRIDE;
+  virtual void OnUserImageChanged(const User& user) OVERRIDE;
   virtual void ShowError(int login_attempts,
                          const std::string& error_text,
                          const std::string& help_link_text,