[Mac] Redesign the avatar bubble UI

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 262505853f288b5579bd9bbc247fea1b2c6b6d48..b9f420dc894e527408a59ad53bcb08595d8f2f5f 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -885,6 +885,16 @@ const char kMultiProfiles[]                 = "multi-profiles";
 // Intended primarily for use with --log-net-log.
 const char kNetLogLevel[]                   = "net-log-level";
 
+// Use new avatar menu. When combined with new-profile-management, it simply
+// shows the new profile management avatar menu. Otherwise it shows a redesigned
+// avatar menu with the same functionality as the old one, plus a tutorial card
+// at the top prompting the user to try out the new profile management UI.
+const char kNewAvatarMenu[]                 = "new-avatar-menu";
+
+// Use new profile management system, including profile sign-out and new
+// choosers.
+const char kNewProfileManagement[]          = "new-profile-management";
+
 // Disables the default browser check. Useful for UI/browser tests where we
 // want to avoid having the default browser info-bar displayed.
 const char kNoDefaultBrowserCheck[]         = "no-default-browser-check";