UMA Metrics for the user menu, including vasquette-detection

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 702fefdfc90ad68c5452d62cc43becbbc6550fed..ce57b0fc86dbdc9fa3036addbf83e7170a1b83bb 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -20665,6 +20665,15 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Profile.DesktopSignout" enum="ProfileDesktopSignout">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    Track user interactions that can be performed in the user menu and user
+    manager, including whether the interaction began from the vasquette or the

[Alexei Svitkine (slow), 2014/05/14 20:04:17]

Nit: Either explain or don't use "vasquette" here.

[Mike Lerman, 2014/05/14 20:09:16]

Thanks for catching this reference.

+    avatar button.
+  </summary>
+</histogram>
+
 <histogram name="Profile.ExtensionSize" units="MB">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <summary>Size of the extension cookies database.</summary>
@@ -40231,6 +40240,39 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="4" label="Canceled"/>
 </enum>
 
+<enum name="ProfileDesktopSignout" type="int">
+  <int value="0" label="Locked In Menu from Button">
+    <summary>User opened the user menu directly, and clicked lock.</summary>
+  </int>
+  <int value="1" label="Locked in Menu from Content">
+    <summary>
+      The content area caused the user menu to open, the user clicked lock.
+    </summary>
+  </int>
+  <int value="2" label="Remove Account in Menu from Button.">
+    <summary>
+      User opened the user menu directly, and started removing an account.
+    </summary>
+  </int>
+  <int value="3" label="Remove Account in Menu from Content">
+    <summary>
+      The content area caused the user menu to open, the user started removing
+      an account.
+    </summary>
+  </int>
+  <int value="4" label="Add Account in Menu from Button">
+    <summary>
+      User opened the user menu directly, and started adding an account.
+    </summary>
+  </int>
+  <int value="5" label="Add Account in Menu from Content">
+    <summary>
+      The content area caused the user menu to open, the user started adding an
+      account.
+    </summary>
+  </int>
+</enum>
+
 <enum name="ProfileErrorType" type="int">
   <int value="0" label="History error"/>
   <int value="1" label="Preferences error"/>