Update some uses of Value in chrome/browser to use the base:: namespace.

chrome/browser/chromeos/locale_change_guard.cc

Index: chrome/browser/chromeos/locale_change_guard.cc
diff --git a/chrome/browser/chromeos/locale_change_guard.cc b/chrome/browser/chromeos/locale_change_guard.cc
index acd34839cbf229350be0d06a65eaf4af7b1b6c09..034ce49fef89227eb584dd658c53b96bd20f68e9 100644
--- a/chrome/browser/chromeos/locale_change_guard.cc
+++ b/chrome/browser/chromeos/locale_change_guard.cc
@@ -90,7 +90,8 @@ void LocaleChangeGuard::RevertLocaleChange() {
   chrome::AttemptUserExit();
 }
 
-void LocaleChangeGuard::RevertLocaleChangeCallback(const ListValue* list) {
+void LocaleChangeGuard::RevertLocaleChangeCallback(
+    const base::ListValue* list) {
   RevertLocaleChange();
 }