Disabling NaClBrowserTest*.Crash on OSX due to flakes

chrome/test/nacl/nacl_browsertest.cc

 // Copyright (c) 2012 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 <stdio.h>
 #if defined(OS_POSIX)
 #include <unistd.h>
 #elif defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 89 matching lines @@
 // partially_invalid.c does not have an ARM version of its asm.
 #if !defined(__arm__)
 IN_PROC_BROWSER_TEST_F(NaClBrowserTestNewlib, BadNative) {
   RunNaClIntegrationTest(FILE_PATH_LITERAL("ppapi_bad_native.html"));
 }
 #endif
 
 #if defined(OS_WIN)
 // crbug.com/98721
 #  define MAYBE_Crash DISABLED_Crash
+#elif defined(OS_MACOSX)
+// crbug.com/425570
+#  define MAYBE_Crash DISABLED_Crash
 #else
 #  define MAYBE_Crash Crash
 #endif
 NACL_BROWSER_TEST_F(NaClBrowserTest, MAYBE_Crash, {
   RunNaClIntegrationTest(FILE_PATH_LITERAL("ppapi_crash.html"));
 })
 
 IN_PROC_BROWSER_TEST_F(NaClBrowserTestNewlib, IrtManifestFile) {
   RunNaClIntegrationTest(FILE_PATH_LITERAL("irt_manifest_file_test.html"));
 }
@@ skipping 241 matching lines @@
 }
 
 // TODO(ncbray) support glibc and PNaCl
 // flaky: crbug.com/375894
 IN_PROC_BROWSER_TEST_F(NaClBrowserTestNewlibExtension, DISABLED_MimeHandler) {
   RunNaClIntegrationTest(FILE_PATH_LITERAL(
       "ppapi_extension_mime_handler.html"));
 }
 
 }  // namespace