base: Remove using declaration of FundamentalValue as it's no longer necessary.

chrome/browser/ui/webui/chromeos/login/update_screen_handler.cc

Index: chrome/browser/ui/webui/chromeos/login/update_screen_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/update_screen_handler.cc b/chrome/browser/ui/webui/chromeos/login/update_screen_handler.cc
index 571511d64d13b6c7c93657d0af1e13e1ccd1944b..7d0a53a9d29a25f3c6e64a83bde3c52b86e3fb39 100644
--- a/chrome/browser/ui/webui/chromeos/login/update_screen_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/update_screen_handler.cc
@@ -62,13 +62,13 @@ void UpdateScreenHandler::ShowManualRebootInfo() {
 }
 
 void UpdateScreenHandler::SetProgress(int progress) {
-  FundamentalValue progress_value(progress);
+  base::FundamentalValue progress_value(progress);
   web_ui_->CallJavascriptFunction("cr.ui.Oobe.setUpdateProgress",
                                   progress_value);
 }
 
 void UpdateScreenHandler::ShowCurtain(bool enable) {
-  FundamentalValue enable_value(enable);
+  base::FundamentalValue enable_value(enable);
   web_ui_->CallJavascriptFunction("cr.ui.Oobe.showUpdateCurtain", enable_value);
 }