Enable the out of process var test. It seems to work.

chrome/test/ui/ppapi_uitest.cc

 // Copyright (c) 2011 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 "base/file_util.h"
 #include "base/path_service.h"
 #include "base/test/test_timeouts.h"
 #include "build/build_config.h"
 #include "content/browser/plugin_service.h"
 #include "content/public/common/content_switches.h"
@@ skipping 298 matching lines @@
 TEST_PPAPI_IN_PROCESS(URLUtil)
 TEST_PPAPI_OUT_OF_PROCESS(URLUtil)
 
 TEST_PPAPI_IN_PROCESS(CharSet)
 TEST_PPAPI_OUT_OF_PROCESS(CharSet)
 
 TEST_PPAPI_IN_PROCESS(Crypto)
 TEST_PPAPI_OUT_OF_PROCESS(Crypto)
 
 TEST_PPAPI_IN_PROCESS(Var)
-// http://crbug.com/89961
-TEST_F(OutOfProcessPPAPITest, FAILS_Var) {
-  RunTest("Var");
-}
+TEST_PPAPI_OUT_OF_PROCESS(Var)
 TEST_PPAPI_NACL_VIA_HTTP(Var)
 
 TEST_PPAPI_IN_PROCESS(VarDeprecated)
 // Disabled because it times out: http://crbug.com/89961
 //TEST_PPAPI_OUT_OF_PROCESS(VarDeprecated)
 
 // Windows defines 'PostMessage', so we have to undef it.
 #ifdef PostMessage
 #undef PostMessage
 #endif
@@ skipping 144 matching lines @@
 TEST_PPAPI_OUT_OF_PROCESS(AudioConfig_InvalidConfigs)
 
 TEST_PPAPI_IN_PROCESS(Audio_Creation)
 TEST_PPAPI_IN_PROCESS(Audio_DestroyNoStop)
 TEST_PPAPI_IN_PROCESS(Audio_Failures)
 TEST_PPAPI_OUT_OF_PROCESS(Audio_Creation)
 TEST_PPAPI_OUT_OF_PROCESS(Audio_DestroyNoStop)
 TEST_PPAPI_OUT_OF_PROCESS(Audio_Failures)
 
 #endif // ADDRESS_SANITIZER