Modify UpdateLibrary to use async RequestUpdateCheck call

chrome/browser/chromeos/cros/update_library.h

Index: chrome/browser/chromeos/cros/update_library.h
diff --git a/chrome/browser/chromeos/cros/update_library.h b/chrome/browser/chromeos/cros/update_library.h
index 0ad23c03c06e9394875825b12ab5d68efe4eaee0..c976afb97e9766c9e458f3b9d9a97c4057889db9 100644
--- a/chrome/browser/chromeos/cros/update_library.h
+++ b/chrome/browser/chromeos/cros/update_library.h
@@ -63,7 +63,11 @@ class UpdateLibrary {
   virtual void RemoveObserver(Observer* observer) = 0;
 
   // Initiates update check and returns true if check was initiated.
-  virtual bool CheckForUpdate() = 0;
+  virtual void CheckForUpdate() = 0;

[altimofeev, 2011/03/09 10:42:27]

Please, fix the comment. Also, consider deprecating this method.

[stevenjb, 2011/03/10 01:23:16]

Removed.

+
+  // Request an update check and call |callback| when the request has completed.
+  virtual void RequestUpdate(chromeos::UpdateCallback callback,

[altimofeev, 2011/03/09 10:42:27]

Why don't use RequestUpdateCheck for the consistency with libcros?

[stevenjb, 2011/03/10 01:23:16]

Sure. Done.

+                             void* user_data) = 0;
 
   // Reboots if update has been performed.
   virtual bool RebootAfterUpdate() = 0;