Do not use local override for language settings: always sync.

chrome/browser/profiles/profile.h

Index: chrome/browser/profiles/profile.h
diff --git a/chrome/browser/profiles/profile.h b/chrome/browser/profiles/profile.h
index e13c0b367d98a73ffd0ee89692461cbc98e87440..14cb30ce3b3a4ff872b54a31f1583c2e743124dd 100644
--- a/chrome/browser/profiles/profile.h
+++ b/chrome/browser/profiles/profile.h
@@ -486,9 +486,7 @@ class Profile {
 
 #if defined(OS_CHROMEOS)
   // Changes application locale.

[Nikita (slow), 2011/01/25 16:04:44]

Please add cases when it's called. I was confused that method is called on every
locale change.

[Denis Lagno, 2011/01/26 10:31:40]

reasonable concern.
I've made this method to be called on every language change for a profile.

-  // "Keep local" means that changes should not be propagated to other devices.
-  virtual void ChangeApplicationLocale(
-      const std::string& locale, bool keep_local) = 0;
+  virtual void ChangeApplicationLocale(const std::string& locale) = 0;
 
   // Returns ChromeOS's ProxyConfigServiceImpl, creating if not yet created.
   virtual chromeos::ProxyConfigServiceImpl*