Disable PrinterProviderApiTest.PrintJobSuccess on Linux and CrOS

extensions/browser/api/printer_provider/printer_provider_apitest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 348 matching lines @@
     if (!base::GetFileInfo(*path, file_info))
       return false;
     return true;
   }
 
   base::ScopedTempDir data_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(PrinterProviderApiTest);
 };
 
-IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, PrintJobSuccess) {
+// TODO(crbug.com/631983): Flaky on Linux and CrOS trybots.
+#if defined(OS_CHROMEOS) || defined(OS_LINUX)
+#define MAYBE_PrintJobSuccess DISABLED_PrintJobSuccess
+#else
+#define MAYBE_PrintJobSuccess PrintJobSuccess
+#endif  // defined(OS_CHROMEOS) || defined(OS_LINUX)
+IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, MAYBE_PrintJobSuccess) {
   RunPrintRequestTestApp("OK", PRINT_REQUEST_DATA_TYPE_BYTES, "OK");
 }
 
 IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, PrintJobWithFileSuccess) {
   RunPrintRequestTestApp("OK", PRINT_REQUEST_DATA_TYPE_FILE, "OK");
 }
 
 IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest,
                        PrintJobWithFile_FileDeletedBeforeDispatch) {
   RunPrintRequestTestApp("OK", PRINT_REQUEST_DATA_TYPE_FILE_DELETED,
@@ skipping 471 matching lines @@
   RunUsbPrinterInfoRequestTest("EMPTY_RESPONSE");
 }
 
 IN_PROC_BROWSER_TEST_F(PrinterProviderApiTest, GetUsbPrinterInfoNoListener) {
   RunUsbPrinterInfoRequestTest("NO_LISTENER");
 }
 
 }  // namespace
 
 }  // namespace extensions