Instrument "Remove this person" in user manager.

chrome/browser/profiles/profile_metrics.h

Index: chrome/browser/profiles/profile_metrics.h
diff --git a/chrome/browser/profiles/profile_metrics.h b/chrome/browser/profiles/profile_metrics.h
index 8feb60fe2f48c3a876b2d7e0db070a4fc38ce104..01a203576f26df6f21a58884bbdd31926d189ac1 100644
--- a/chrome/browser/profiles/profile_metrics.h
+++ b/chrome/browser/profiles/profile_metrics.h
@@ -48,8 +48,12 @@ class ProfileMetrics {
   };
 
   enum ProfileDelete {
-    DELETE_PROFILE_SETTINGS = 0,  // Delete profile from settings page.
-    DELETE_PROFILE_USER_MANAGER,  // Delete profile from User Manager.
+    // Delete profile from settings page.
+    DELETE_PROFILE_SETTINGS = 0,
+    // Delete profile from User Manager.
+    DELETE_PROFILE_USER_MANAGER,
+    // Show the delete profile warning in the user manager.

[noms (inactive), 2015/03/18 21:20:48]

nit: User Manager (title caps)

[anthonyvd, 2015/03/18 21:56:56]

Done.

+    DELETE_PROFILE_USER_MANAGER_SHOW_WARNING,
     NUM_DELETE_PROFILE_METRICS
   };