UMA for New Profile Management. Track User-Menu Tutorial actions with Histograms.

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 decb3dd57cd8e45e90437347d2984549e76d7aba..68aa6b2510f302f9258815f6166b8627239c738d 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -20313,6 +20313,15 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Profile.Enrollment" enum="ProfileEnrollment">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    The process which leads a user to enroll in Project Mirror. Also tracks if
+    the user chooses to opt out of mirror, and tutorials which guide the user
+    into Mirror.
+  </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>
@@ -39368,6 +39377,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="4" label="Canceled"/>
 </enum>
 
+<enum name="ProfileEnrollment" type="int">
+  <int value="0" label="User viewed the promotional card in the user menu"/>
+  <int value="1" label="User selected to view the intro tutorial about Mirror"/>
+  <int value="2" label="User opted in to Project Mirror"/>
+  <int value="3" label="User closed the Welcome To Mirror card"/>
+  <int value="4" label="Webdata DB error"/>
+</enum>
+
 <enum name="ProfileErrorType" type="int">
   <int value="0" label="History error"/>
   <int value="1" label="Preferences error"/>