Switch from SignedSettings to DeviceSettingsService.

chrome/browser/chromeos/cros_settings.h

Index: chrome/browser/chromeos/cros_settings.h
diff --git a/chrome/browser/chromeos/cros_settings.h b/chrome/browser/chromeos/cros_settings.h
index 4ff048ff0c5d0a937e666e95b666d0af48fc544b..6d77b701a5e6072352810bac99c6eecfc30e164e 100644
--- a/chrome/browser/chromeos/cros_settings.h
+++ b/chrome/browser/chromeos/cros_settings.h
@@ -27,6 +27,10 @@ namespace chromeos {
 // This class manages per-device/global settings.
 class CrosSettings : public base::NonThreadSafe {
  public:
+  // Public for testing.

[pastarmovj, 2012/07/30 13:55:02]

This looks dangerous to me. It gets too easy to instantiate a new instance when
the singleton should have been used.

[Mattias Nissler (ping if slow), 2012/08/02 12:01:52]

Done.

+  CrosSettings();
+  ~CrosSettings();
+
   // Class factory.
   static CrosSettings* Get();
 
@@ -91,13 +95,7 @@ class CrosSettings : public base::NonThreadSafe {
   // Returns the provider that handles settings with the |path| or prefix.
   CrosSettingsProvider* GetProvider(const std::string& path) const;
 
-  // Forces all providers to reload their caches from the respective backing
-  // stores if they have any.
-  void ReloadProviders();
-
  private:
-  friend struct base::DefaultLazyInstanceTraits<CrosSettings>;
-
   // List of ChromeOS system settings providers.
   std::vector<CrosSettingsProvider*> providers_;
 
@@ -109,9 +107,6 @@ class CrosSettings : public base::NonThreadSafe {
       SettingsObserverMap;
   SettingsObserverMap settings_observers_;
 
-  CrosSettings();
-  ~CrosSettings();
-
   // Fires system setting change notification.
   void FireObservers(const std::string& path);