Temporarily disable ppapi mojo test.

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 "base/path_service.h"
 #include "base/test/test_timeouts.h"
 #include "build/build_config.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 1554 matching lines @@
   }
   void RunTestWithoutFlag() {
     RunTestInternal();
     EXPECT_STREQ("Plugin crashed. 'NaCl module crashed'", result_.c_str());
   }
  private:
   std::string result_;
 };
 
 #if defined(OS_POSIX)
-#define MAYBE_MOJO(test_name) test_name
+// TODO(teravest): Re-enable test after Mojo IRT support is enabled in
+// Chrome. http://crbug.com/454466
+#define MAYBE_MOJO(test_name) DISABLED_##test_name
 #else
 #define MAYBE_MOJO(test_name) DISABLED_##test_name
 #endif
 
 IN_PROC_BROWSER_TEST_F(MojoPPAPITest, MAYBE_MOJO(Mojo)) {
   RunTest();
 }
 
 IN_PROC_BROWSER_TEST_F(MojoPPAPITest, MAYBE_MOJO(MojoFailsWithoutFlag)) {
   RunTestWithoutFlag();
 }
 #endif