PPAPI: Make PPB_MessageLoop_Dev::GetForMainThread work

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 "chrome/test/ppapi/ppapi_test.h"
 
 #include "base/test/test_timeouts.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator.h"
@@ skipping 794 matching lines @@
 
 TEST_PPAPI_IN_PROCESS(FlashMessageLoop_Basics)
 TEST_PPAPI_IN_PROCESS(FlashMessageLoop_RunWithoutQuit)
 TEST_PPAPI_OUT_OF_PROCESS(FlashMessageLoop_Basics)
 TEST_PPAPI_OUT_OF_PROCESS(FlashMessageLoop_RunWithoutQuit)
 
 TEST_PPAPI_IN_PROCESS(MouseCursor)
 TEST_PPAPI_OUT_OF_PROCESS(MouseCursor)
 TEST_PPAPI_NACL_VIA_HTTP(MouseCursor)
 
+// PPB_MessageLoop is only supported out-of-process.
+// TODO(dmichael): Enable for NaCl with the IPC proxy. crbug.com/116317
+TEST_PPAPI_OUT_OF_PROCESS(MessageLoop_Basics)
+// Note to sheriffs: MessageLoop_Post starts a thread, which has a history of
+// slowness, particularly on Windows XP. If this test times out, please try
+// marking it SLOW_ before disabling.
+//    - dmichael
+TEST_PPAPI_OUT_OF_PROCESS(MessageLoop_Post)
+
 // Only enabled in out-of-process mode.
 TEST_PPAPI_OUT_OF_PROCESS(FlashFile_CreateTemporaryFile)
 
 #endif // ADDRESS_SANITIZER