Don't create PepperMessageFilter for renderer processes.

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/content_settings/host_content_settings_map.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 945 matching lines @@
 // http://crbug.com/146008
 #define MAYBE_Fullscreen DISABLED_Fullscreen
 #else
 #define MAYBE_Fullscreen Fullscreen
 #endif
 
 TEST_PPAPI_IN_PROCESS_VIA_HTTP(MAYBE_Fullscreen)
 TEST_PPAPI_OUT_OF_PROCESS_VIA_HTTP(MAYBE_Fullscreen)
 TEST_PPAPI_NACL(MAYBE_Fullscreen)
 
-TEST_PPAPI_IN_PROCESS(X509CertificatePrivate)
 TEST_PPAPI_OUT_OF_PROCESS(X509CertificatePrivate)
 
 // There is no proxy. This is used for PDF metrics reporting, and PDF only
 // runs in process, so there's currently no need for a proxy.
 TEST_PPAPI_IN_PROCESS(UMA)
 
 // NetAddress tests
 IN_PROC_BROWSER_TEST_F(OutOfProcessPPAPITest, NetAddress) {
   RunTestViaHTTP(
       LIST_TEST(NetAddress_IPv4Address)
@@ skipping 549 matching lines @@
 #if (defined(OS_WIN) && defined(ENABLE_RLZ)) || defined(OS_CHROMEOS)
           // Only implemented on Windows and ChromeOS currently.
           LIST_TEST(FlashDRM_GetDeviceID)
 #endif
           LIST_TEST(FlashDRM_GetHmonitor)
           LIST_TEST(FlashDRM_GetVoucherFile));
 }
 
 TEST_PPAPI_IN_PROCESS(TalkPrivate)
 TEST_PPAPI_OUT_OF_PROCESS(TalkPrivate)