UMA Metrics for the user menu, including vasquette-detection

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 f5fd93f29cf4c7285e01eeb85370f742190bedab..e05f540c57913a2b8f43933558f807cea7c893b2 100644
--- a/chrome/browser/profiles/profile_metrics.h
+++ b/chrome/browser/profiles/profile_metrics.h
@@ -17,6 +17,10 @@ namespace base {
 class FilePath;
 }
 
+namespace signin {
+enum GAIA_SERVICE_TYPE;
+}
+
 class ProfileMetrics {
  public:
   // Enum for counting the ways users were added.
@@ -98,6 +102,21 @@ class ProfileMetrics {
     NUM_PROFILE_ENROLLMENT_METRICS,
   };
 
+  // Enum for tracking user interactions with the user menu and user manager.
+  // Interactions initiated from the content area are logged into a different
+  // histogram from those that were initiated from the avatar button.
+  // An example of the interaction beginning in the content area is
+  // clicking "Manage Accounts" within account selection on a Google property.
+  enum ProfileDesktopMenu {
+    // User opened the user menu, and clicked lock.
+    PROFILE_DESKTOP_MENU_LOCK = 0,
+    // User opened the user menu, and removed an account.
+    PROFILE_DESKTOP_MENU_REMOVE_ACCT,
+    // User opened the user menu, and started adding an account.
+    PROFILE_DESKTOP_MENU_ADD_ACCT,
+    NUM_PROFILE_DESKTOP_MENU_METRICS,
+  };
+
   static void UpdateReportedProfilesStatistics(ProfileManager* manager);
 
   static void LogNumberOfProfiles(ProfileManager* manager);
@@ -110,6 +129,8 @@ class ProfileMetrics {
   static void LogProfileSyncInfo(ProfileSync metric);
   static void LogProfileAuthResult(ProfileAuth metric);
   static void LogProfileUpgradeEnrollment(ProfileUpgradeEnrollment metric);
+  static void LogProfileDesktopMenu(ProfileDesktopMenu metric,
+                                    signin::GAIA_SERVICE_TYPE gaia_service);
 
   // These functions should only be called on the UI thread because they hook
   // into g_browser_process through a helper function.