Added value to ServiceUtilityProcessHostEventType to track when utili…

…ty process failed to start. BUG=408184 TBR=asvitkine@chromium.org Review URL: https://codereview.chromium.org/556823004 Cr-Commit-Position: refs/heads/master@{#295030}
cbchan · Sep 16, 2014 · 0616009 · 0616009
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commit 0616009
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diff --git a/chrome/service/service_utility_process_host.cc b/chrome/service/service_utility_process_host.cc
@@ -80,6 +80,7 @@ enum ServiceUtilityProcessHostEvent {
   SERVICE_UTILITY_SEMANTIC_CAPS_REQUEST,
   SERVICE_UTILITY_SEMANTIC_CAPS_SUCCEEDED,
   SERVICE_UTILITY_SEMANTIC_CAPS_FAILED,
+  SERVICE_UTILITY_FAILED_TO_START,
   SERVICE_UTILITY_EVENT_MAX,
 };
 }  // namespace
@@ -187,6 +188,9 @@ bool ServiceUtilityProcessHost::StartProcess(
                               SERVICE_UTILITY_EVENT_MAX);
     return true;
   }
+  UMA_HISTOGRAM_ENUMERATION("CloudPrint.ServiceUtilityProcessHostEvent",
+                            SERVICE_UTILITY_FAILED_TO_START,
+                            SERVICE_UTILITY_EVENT_MAX);
   return false;
 }
 

diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
@@ -49581,6 +49581,7 @@ To add a new entry, add it with any value and run test to compute valid value.
   <int value="8" label="SERVICE_UTILITY_SEMANTIC_CAPS_REQUEST"/>
   <int value="9" label="SERVICE_UTILITY_SEMANTIC_CAPS_SUCCEEDED"/>
   <int value="10" label="SERVICE_UTILITY_SEMANTIC_CAPS_FAILED"/>
+  <int value="11" label="SERVICE_UTILITY_FAILED_TO_START"/>
 </enum>
 
 <enum name="ServiceWorkerDatabaseStatus" type="int">