Adding a SW reporter component updater

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 4fec690da2dd74a0a4ec1fbde04cdd78634c2d16..410c2b6f0121330d176bdf17621bff9c2ead4bf3 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -2665,8 +2665,21 @@ Therefore, the affected-histogram name has to have at least one dot in it.
 
 <histogram name="CloudPrint.XmppPingTry">
   <owner>vitalybuka@chromium.org</owner>
+  <summary>Number of tries before successful ping. 99 means giving up.</summary>
+</histogram>
+
+<histogram name="component_updater.SwReporter" enum="SwReporter">

[Alexei Svitkine (slow), 2014/06/16 20:07:26]

Is there a reason you're using "component_updater" prefix for these histograms
in hacker_style rather than the usual CamelCase?

[MAD, 2014/06/16 20:36:14]

No... I thought I saw other histogram names for component_updater stuff like
this, but I must have dreamed them... Fixed!

Thanks

+  <owner>mad@chromium.org</owner>
   <summary>
-    Number of tries before successfull ping. 99 means giving up.
+    The registration and execution steps for the software reporter component.
+  </summary>
+</histogram>
+
+<histogram name="component_updater.SwReporterExitCode"
+    enum="SwReporterExitCode">
+  <owner>mad@chromium.org</owner>
+  <summary>
+    The exit code from the execution of the software reporter component.
   </summary>
 </histogram>
 
@@ -44471,6 +44484,22 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="3" label="Attempted"/>
 </enum>
 
+<enum name="SwReporter" type="int">
+  <int value="0" label="Started Download"/>
+  <int value="1" label="Retried Download"/>
+  <int value="2" label="Retried Too Many Downloads"/>
+  <int value="3" label="Started Execution"/>
+  <int value="4" label="Retried Execution"/>
+  <int value="5" label="Retried Too Many Executions"/>
+  <int value="6" label="Component updater error"/>
+</enum>
+
+<enum name="SwReporterExitCode" type="int">
+  <int value="0" label="Success / Found"/>
+  <int value="1" label="Failed"/>
+  <int value="2" label="Nothing Found"/>
+</enum>
+
 <enum name="SyncAuthError" type="int">
   <int value="0"
       label="Number of times clients have encountered an Auth error."/>