Create a mechanism for reporting rappor metrics from non-UMA

components/rappor/rappor_parameters.h

Index: components/rappor/rappor_parameters.h
diff --git a/components/rappor/rappor_parameters.h b/components/rappor/rappor_parameters.h
index ca625ba4d8e3216969d5efe2b545aabb91878029..f03588b8f3973f41f1e8cf58dc9d93701c05184a 100644
--- a/components/rappor/rappor_parameters.h
+++ b/components/rappor/rappor_parameters.h
@@ -43,6 +43,10 @@ struct RapporParameters {
   Probability one_coin_prob;
   // The probability that a zero bit in the redacted data reports as one.
   Probability zero_coin_prob;
+
+  // Whether reporting this metric requires all rappor metric reporting
+  // to be enabled.

[jwd, 2014/08/29 15:45:47]

The comment seems backwards to me. Like true means it requires all metric
reporting to be enabled.

Maybe something like:
Whether this metric can be reported when all rappor metric reporting isn't
enabled.

[Steven Holte, 2014/09/19 22:48:47]

Done.

+  bool always_enabled;
 };
 
 }  // namespace rappor