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 1593ac61faa52e966e6e23b3d7808b92026939b9..45bddbc1984750ddb8ef8d5497cf927e45b39bde 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -5482,6 +5482,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="CustomTabs.WarmupStateOnLaunch" enum="WarmupStateOnLaunch">
+  <owner>lizeb@chromium.org</owner>
+  <summary>
+    For Custom Tabs, records whether warmup() has been called when an Intent is
+    received from an application, and if so, whether the call could be matched
+    with a session or not.
+  </summary>
+</histogram>
+
 <histogram name="DataReductionProxy.AutoLoFiAccuracy"
     enum="DataReductionProxyAutoLoFiAccuracy">
   <owner>bengr@chromium.org</owner>
@@ -73360,6 +73369,14 @@ To add a new entry, add it with any value and run test to compute valid value.
   <int value="5" label="Policy"/>
 </enum>
 
+<enum name="WarmupStateOnLaunch" type="int">
+  <int value="0" label="No Session, No Warmup"/>
+  <int value="1" label="No Session, Warmup"/>
+  <int value="2" label="Session, No Warmup, Called elsewhere"/>

[pasko, 2015/09/29 09:50:07]

can we make 'elsewhere' clearer? Like:
"Session, No Warmup, Warmup called from another Uid"

[Benoit L, 2015/09/29 10:07:42]

Done.

+  <int value="3" label="Session, No Warmup, Not called"/>

[pasko, 2015/09/29 09:50:07]

I thin this would be clearer:

s/, Not called//

[Benoit L, 2015/09/29 10:07:42]

Done.

+  <int value="4" label="Session, Warmup"/>
+</enum>
+
 <enum name="WebBluetoothConnectGATTOutcome" type="int">
   <int value="0" label="Success"/>
   <int value="1" label="Device no longer in range"/>