Disable PPAPINaClPNaClTest.MediaStreamAudioTrack on Windows.

chrome/test/ppapi/ppapi_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 <stddef.h>
 
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/test/test_timeouts.h"
 #include "base/win/windows_version.h"
@@ skipping 1143 matching lines @@
 TEST_PPAPI_NACL_SUBTESTS(MAYBE_Compositor1, RUN_COMPOSITOR_SUBTESTS_1)
 
 #if defined(OS_LINUX) || defined(OS_WIN) || defined(OS_CHROMEOS)
 // Flaky on ChromeOS, Linux and Windows (crbug.com/438729)
 #define MAYBE_MediaStreamAudioTrack DISABLED_MediaStreamAudioTrack
 #else
 #define MAYBE_MediaStreamAudioTrack MediaStreamAudioTrack
 #endif
 TEST_PPAPI_NACL(MAYBE_MediaStreamAudioTrack)
 
-TEST_PPAPI_NACL(MediaStreamVideoTrack)
+#if defined(OS_WIN)
+// Flaky on Windows (crbug.com/633519)
+#define MAYBE_MediaStreamVideoTrack DISABLED_MediaStreamVideoTrack
+#else
+#define MAYBE_MediaStreamVideoTrack MediaStreamVideoTrack
+#endif
+TEST_PPAPI_NACL(MAYBE_MediaStreamVideoTrack)
 
 TEST_PPAPI_NACL(MouseCursor)
 
 TEST_PPAPI_NACL(NetworkProxy)
 
 TEST_PPAPI_NACL(TrueTypeFont)
 
 // TODO(crbug.com/602875), TODO(crbug.com/602876) Flaky on Win and CrOS.
 #if defined(OS_CHROMEOS) || defined(OS_WIN)
 #define MAYBE_VideoDecoder DISABLED_VideoDecoder
@@ skipping 139 matching lines @@
                        MAYBE_PPAPI_NACL(NoSocketPermissions)) {
   RunTests("no_socket_permissions");
 }
 
 IN_PROC_BROWSER_TEST_F(NewlibPackagedAppTest,
                        MAYBE_PPAPI_NACL(SocketPermissions)) {
   RunTests("socket_permissions");
 }
 
 #endif