Breakdown ClientLoadedTime histograms into buckets based on number of clients. Fix RequestTimeThrot…

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 053af4beb8bd023bd4ce28f76c79b54eaaf82c0f..115993bebb04196f46f413c5eddc9482e4fdea34 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -29617,7 +29617,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
-<histogram name="ResourceScheduler.RequestTimeThrottled_Active">
+<histogram name="ResourceScheduler.RequestTimeThrottled.Active">
   <owner>aiolos@chromium.org</owner>
   <summary>
     The amount of time between when the request was created and when the
@@ -29626,7 +29626,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
-<histogram name="ResourceScheduler.RequestTimeThrottled_Background">
+<histogram name="ResourceScheduler.RequestTimeThrottled.Background">
   <owner>aiolos@chromium.org</owner>
   <summary>
     The amount of time between when the request was created and when the
@@ -29635,7 +29635,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
-<histogram name="ResourceScheduler.RequestTimeThrottled_Other">
+<histogram name="ResourceScheduler.RequestTimeThrottled.Other">
   <owner>aiolos@chromium.org</owner>
   <summary>
     The amount of time between when the request was created and when the
@@ -61858,6 +61858,23 @@ To add a new entry, add it with any value and run test to compute valid value.
       name="ResourcePrefetchPredictor.Url.PredictedPrefetchMisses"/>
 </histogram_suffixes>
 
+<histogram_suffixes name="ResourceSchedulerClientBreakDown">
+  <suffix name="1Client" label="One Client in the ResourceScheduler."/>
+  <suffix name="Max5Clients"
+      label="Two to five Clients in the ResourceScheduler."/>
+  <suffix name="Max15Clients"
+      label="Six to fifteen Clients in the ResourceScheduler."/>
+  <suffix name="Max30Clients"
+      label="Sixteen to thirty Clients in the ResourceScheduler."/>
+  <suffix name="Over30Clients"
+      label="Over thirty Clients in the ResourceScheduler."/>
+  <affected-histogram name="ResourceScheduler.ClientLoadedTime.Active"/>
+  <affected-histogram name="ResourceScheduler.ClientLoadedTime.Background"/>
+  <affected-histogram name="ResourceScheduler.ClientLoadedTime.Other"/>
+  <affected-histogram
+      name="ResourceScheduler.ClientLoadedTime.Other.SwitchedToActive"/>
+</histogram_suffixes>
+
 <histogram_suffixes name="SBInterstitial">
   <obsolete>
     deprecated November 10 2012 crrev.com/167056