Sync Promo: Add more UMA metrics.

chrome/common/extensions/extension_constants.h

Index: chrome/common/extensions/extension_constants.h
diff --git a/chrome/common/extensions/extension_constants.h b/chrome/common/extensions/extension_constants.h
index 27febbe79bc9b52c688b14acb114d90374040204..1f47f8f6ae52ec6d12a7f94190fe1b3a09de8b9a 100644
--- a/chrome/common/extensions/extension_constants.h
+++ b/chrome/common/extensions/extension_constants.h
@@ -453,26 +453,6 @@ namespace extension_misc {
     UNLOAD_REASON_UNINSTALL,  // Extension is being uninstalled.
     UNLOAD_REASON_TERMINATE,  // Extension has terminated.
   };
-
-  // User actions on the sync promo (aka "Sign in to Chrome").
-  enum SyncPromoBuckets {
-    SYNC_PROMO_VIEWED,
-    SYNC_PROMO_LEARN_MORE_CLICKED,
-    SYNC_PROMO_ACCOUNT_HELP_CLICKED,
-    SYNC_PROMO_CREATE_ACCOUNT_CLICKED,
-    SYNC_PROMO_SKIP_CLICKED,
-    SYNC_PROMO_SIGN_IN_ATTEMPTED,
-    SYNC_PROMO_SIGNED_IN_SUCCESSFULLY,
-    SYNC_PROMO_ADVANCED_CLICKED,
-    SYNC_PROMO_ENCRYPTION_HELP_CLICKED,
-    SYNC_PROMO_CANCELLED_AFTER_SIGN_IN,
-    SYNC_PROMO_CONFIRMED_AFTER_SIGN_IN,
-    SYNC_PROMO_CLOSED_TAB,
-    SYNC_PROMO_CLOSED_WINDOW,
-    SYNC_PROMO_BUCKET_BOUNDARY,
-    SYNC_PROMO_FIRST_VALID_JS_ACTION = SYNC_PROMO_LEARN_MORE_CLICKED,
-    SYNC_PROMO_LAST_VALID_JS_ACTION = SYNC_PROMO_CONFIRMED_AFTER_SIGN_IN,
-  };
-} // extension_misc
+}  // extension_misc
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_