First patch in making destructors of refcounted objects private.

base/field_trial.h

Index: base/field_trial.h
===================================================================
--- base/field_trial.h	(revision 30973)
+++ base/field_trial.h	(working copy)
@@ -116,6 +116,10 @@
                               const std::string& trial_name);
 
  private:
+  friend class base::RefCounted<FieldTrial>;
+
+  virtual ~FieldTrial() {}

[M-A Ruel, 2009/11/05 20:31:28]

why virtual?

[jam, 2009/11/05 21:52:37]

Done.

+
   // The name of the field trial, as can be found via the FieldTrialList.
   // This is empty of the trial is not in the experiment.
   const std::string name_;