UMA Metrics for the user menu, including vasquette-detection

chrome/browser/signin/signin_header_helper.h

Index: chrome/browser/signin/signin_header_helper.h
diff --git a/chrome/browser/signin/signin_header_helper.h b/chrome/browser/signin/signin_header_helper.h
index 0b0257b63d299f13c7eb40a7e9326759ea415e1e..3cca7fe3f327eeb5481b859830127d03a62483da 100644
--- a/chrome/browser/signin/signin_header_helper.h
+++ b/chrome/browser/signin/signin_header_helper.h
@@ -27,6 +27,18 @@ enum PROFILE_MODE {
   PROFILE_MODE_ADD_ACCOUNT_DISABLED = 1 << 1
 };
 
+// The ServiceType specified by GAIA in the response header accompanying the 204
+// response. This indicates the action Chrome is supposed to lead the user to
+// perform.
+enum GAIA_SERVICE_TYPE {
+  GAIA_SERVICE_TYPE_NONE = 0,                 // No GAIA response header

[guohui, 2014/05/22 20:20:49]

nit: missing . at the end.

[Mike Lerman, 2014/05/23 17:15:36]

Done.

+  GAIA_SERVICE_TYPE_SIGNOUT,                  // Logout all existing sessions.
+  GAIA_SERVICE_TYPE_SIGNOUTOPTIONS_INCOGNITO, // Open an incognito tab.
+  GAIA_SERVICE_TYPE_ADDSESSION,               // Add a secondary account.
+  GAIA_SERVICE_TYPE_REAUTH,                   // Re-authenticate an account.
+  GAIA_SERVICE_TYPE_DEFAULT,                  // All other cases.
+};
+
 // Add X-Chrome-Connected header to all Gaia requests from a connected profile,
 // with the exception of requests from gaia webview. Must be called on IO
 // thread.