UMA: Add Net.WebSocket.DeflateMode

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 4a482cf89b505cf6754ebb909ee735c14b1d73cf..c905bffa6295a425b872b11f6f34fa157682858d 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -13971,6 +13971,18 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <summary>The time spent in closesocket call in UDPSocketWin::Close.</summary>
 </histogram>
 
+<histogram name="Net.WebSocket.DeflateMode"
+    enum="WebSocketNewPerMessageDeflateContextTakeoverMode">
+  <owner>yhirano@chromium.org</owner>
+  <owner>ricea@chromium.org</owner>
+  <owner>tyoshino@chromium.org</owner>
+  <summary>
+    Count the number of WebSockets that accepted permessage-deflate extension
+    for each context take over mode. Used by the new Chromium-based WebSocket
+    implementation.
+  </summary>
+</histogram>
+
 <histogram name="Net.WebSocket.HandshakeResult"
     enum="WebSocketNewHandshakeResult">
   <owner>yhirano@chromium.org</owner>
@@ -29732,10 +29744,13 @@ Therefore, the affected-histogram name has to have at least one dot in it.
 
 <histogram name="WebCore.WebSocket.PerMessageDeflateContextTakeOverMode"
     enum="WebSocketPerMessageDeflateContextTakeOverMode">
-  <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
+  <owner>yhirano@chromium.org</owner>
+  <owner>ricea@chromium.org</owner>
+  <owner>tyoshino@chromium.org</owner>
   <summary>
     Count the number of WebSockets that accepted permessage-deflate extension
-    for each context take over mode.
+    for each context take over mode. Used by the old Blink-based WebSocket
+    implementation.
   </summary>
 </histogram>
 
@@ -42109,6 +42124,11 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="2" label="FAILED">Failed</int>
 </enum>
 
+<enum name="WebSocketNewPerMessageDeflateContextTakeoverMode" type="int">
+  <int value="0" label="DO_NOT_TAKE_OVER_CONTEXT"/>

[Alexei Svitkine (slow), 2014/04/23 13:23:18]

Optional nit: These are shown to humans on the dashboard, so consider giving a
more human-readable/descriptive names.

[tyoshino (SeeGerritForStatus), 2014/04/24 10:38:15]

Oh, got it. Done here and the enum right below too.

+  <int value="1" label="TAKE_OVER_CONTEXT"/>
+</enum>
+
 <enum name="WebSocketPerMessageDeflateContextTakeOverMode" type="int">
   <int value="0" label="DoNotTakeOverContext"/>
   <int value="1" label="TakeOverContext"/>