TabindexSaveFileDialog_FileManagerBrowserTest.Test_0/1/2 are failing on cros trunk

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

Index: chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
diff --git a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
index 8e1d1185c0346737c20a35d99fddb3225894b5ae..9ec064e35b0d893afad9161fe271d2a50161c582 100644
--- a/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
+++ b/chrome/browser/chromeos/file_manager/file_manager_browsertest.cc
@@ -1169,8 +1169,14 @@ INSTANTIATE_TEST_CASE_P(
         TestParameter(NOT_IN_GUEST_MODE, "tabindexOpenDialogDownloads"),
         TestParameter(IN_GUEST_MODE, "tabindexOpenDialogDownloads")));
 
+// Fails on official build. http://crbug.com/482121.
+#if defined(OFFICIAL_BUILD)
+#define MAYBE_TabindexSaveFileDialog DISABLED_TabindexSaveFileDialog
+#else
+#define MAYBE_TabindexSaveFileDialog TabindexSaveFileDialog
+#endif
 INSTANTIATE_TEST_CASE_P(
-    TabindexSaveFileDialog,
+    MAYBE_TabindexSaveFileDialog,
     FileManagerBrowserTest,
     ::testing::Values(
         TestParameter(NOT_IN_GUEST_MODE, "tabindexSaveFileDialogDrive"),