Add UMA for the new generic permisison class

tools/metrics/actions/actions.xml

Index: tools/metrics/actions/actions.xml
diff --git a/tools/metrics/actions/actions.xml b/tools/metrics/actions/actions.xml
index fb613df197bb1eca80c55b226c2946d8ff88a601..5a7a74e7b0d7b3fe6e3fff96a2f9ff536ffc1b31 100644
--- a/tools/metrics/actions/actions.xml
+++ b/tools/metrics/actions/actions.xml
@@ -8250,8 +8250,10 @@ should be able to be added at any place in this file.
 </action>
 
 <action name="Options_DefaultMIDISysExSettingChanged">

[Takashi Toyoshima, 2014/07/08 10:46:17]

thanks!

[Miguel Garcia, 2014/07/08 14:14:20]

Done.

-  <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
-  <description>Please enter the description of this user action.</description>
+  <owner>toyoshim@chromium.org</owner>
+  <description>
+    Triggers when the default decission for push message permissions is changed.

[Michael van Ouwerkerk, 2014/07/07 14:45:20]

Nit: s/decission/decision/

[Miguel Garcia, 2014/07/08 14:14:20]

Done.

+  </description>
 </action>
 
 <action name="Options_DefaultMediaStreamMicSettingChanged">
@@ -8289,6 +8291,13 @@ should be able to be added at any place in this file.
   <description>Please enter the description of this user action.</description>
 </action>
 
+<action name="Options_DefaultPushMessagingSettingChanged">
+  <owner>miguelg@chromium.org</owner>
+  <description>
+    Triggers when the default decission for push message permissions is changed.

[Michael van Ouwerkerk, 2014/07/07 14:45:20]

same as above

[Miguel Garcia, 2014/07/08 14:14:20]

Done.

+  </description>
+</action>
+
 <action name="Options_DictionaryLanguage">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>