Enable BookmarkBarViewTest on official bots.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index fe4b3902e67f5a759ee0128658d2cfb74dcde664..a24175d862c7c13f1e278ecba35c715d7f213bbd 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -669,13 +669,6 @@ if (!is_android) {
           data_deps += [ "//components/nacl/loader:helper_nonsfi" ]
         }
       }
-
-      if (is_chrome_branded) {
-        sources -= [
-          # These tests are failing on official cros bots. crbug.com/431450.
-          "../browser/ui/views/bookmarks/bookmark_bar_view_test.cc",
-        ]
-      }
     } else {  # ! is_chromeos
       # Non-ChromeOS notifications tests (ChromeOS does not use cross-platform
       # panels).