more uma stats

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 1a4329edb1d661ed76faed9b1b07bc372cd1ea67..0ba5583227644602947c14e984fcd1dcd06d1af9 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -331,6 +331,14 @@ other types of suffix sets.
   </summary>
 </histogram>
 
+<histogram name="appcache.MainResourceResponseRetrieval" enum="BooleanSuccess">
+  <owner>michaeln@chromium.org</owner>
+  <summary>
+    Tracks the number of times a main resource is retreived from the appcache.
+    The boolean value indicates success or failure.

[Ilya Sherman, 2014/03/27 00:02:45]

Please omit this sentence everywhere you use the BooleanSuccess enum, and
instead rephrase similarly to how you did for SubResourceResponseRetrieval.

[michaeln, 2014/03/27 00:44:07]

sry i missed this one and thnx for spotting it

+  </summary>
+</histogram>
+
 <histogram name="appcache.MissingManifestDetectedAtCallsite"
     enum="AppCacheErrorSite">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
@@ -354,6 +362,13 @@ other types of suffix sets.
   </summary>
 </histogram>
 
+<histogram name="appcache.SubResourceResponseRetrieval" enum="BooleanSuccess">
+  <owner>michaeln@chromium.org</owner>
+  <summary>
+    Tracks the success rate of retrieving a sub resource from the appcache.
+  </summary>
+</histogram>
+
 <histogram name="appcache.TaskQueueTime" units="milliseconds">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <summary>
@@ -371,9 +386,25 @@ other types of suffix sets.
   <summary>AppCache update job result code.</summary>
 </histogram>
 
-<histogram name="appcache.UpdateJobResult.Docs" enum="AppCacheUpdateJobResult">
-  <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
-  <summary>AppCache update job result code, only for docs.google.com.</summary>
+<histogram name="appcache.UpdateProgressAtPointOfFaliure" units="percent">
+  <owner>michaeln@chromium.org</owner>
+  <summary>Percent completion at point of failure of an update job.</summary>
+</histogram>
+
+<histogram name="appcache.UpdateWasOffOriginAtPointOfFailure"
+    enum="BooleanSuccess">
+  <owner>michaeln@chromium.org</owner>
+  <summary>
+    Whether the resource causing the failure was from a different origin.
+  </summary>
+</histogram>
+
+<histogram name="appcache.UpdateWasStalledAtPointOfFailure"
+    enum="BooleanSuccess">
+  <owner>michaeln@chromium.org</owner>
+  <summary>
+    Whether any progresss had been made in the 5 minutes preceeding failure.
+  </summary>
 </histogram>
 
 <histogram name="Apps.AppLaunch" enum="AppLaunch">
@@ -41097,6 +41128,16 @@ other types of suffix sets.
   <affected-histogram name="DNS.ResolveSuccess"/>
 </fieldtrial>
 
+<fieldtrial name="DocsSpecific" separator="">
+  <group name="Docs" label="Only for docs.google.com"/>
+  <affected-histogram name="appcache.MainResourceResponseRetrieval"/>
+  <affected-histogram name="appcache.SubResourceResponseRetrieval"/>
+  <affected-histogram name="appcache.UpdateJobResult"/>
+  <affected-histogram name="appcache.UpdateProgressAtPointOfFaliure"/>
+  <affected-histogram name="appcache.UpdateWasOffOriginAtPointOfFailure"/>
+  <affected-histogram name="appcache.UpdateWasStalledAtPointOfFailure"/>
+</fieldtrial>
+
 <fieldtrial name="DomainGoogle" separator="">
   <group name="Google" label="only Google cookies are recorded."/>
   <group name="Other" label="only NON-Google cookies are recorded."/>