Add comment that directory reader isn't implemented out of process.

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 394 matching lines @@
 TEST_PPAPI_IN_PROCESS(FlashClipboard)
 TEST_PPAPI_OUT_OF_PROCESS(FlashClipboard)
 
 #if defined(OS_POSIX)
 #define MAYBE_DirectoryReader FLAKY_DirectoryReader
 #else
 #define MAYBE_DirectoryReader DirectoryReader
 #endif
 
 // Flaky on Mac + Linux, maybe http://codereview.chromium.org/7094008
+// Not implemented out of process: http://crbug.com/106129
 TEST_F(PPAPITest, MAYBE_DirectoryReader) {
   RunTestViaHTTP("DirectoryReader");
 }
-// http://crbug.com/89961
-TEST_F(OutOfProcessPPAPITest, FAILS_DirectoryReader) {
-  RunTestViaHTTP("DirectoryReader");
-}
 
 #if defined(ENABLE_P2P_APIS)
 // Flaky. http://crbug.com/84294
 TEST_F(PPAPITest, FLAKY_Transport) {
   RunTest("Transport");
 }
 // http://crbug.com/89961
 TEST_F(OutOfProcessPPAPITest, FAILS_Transport) {
   RunTestViaHTTP("Transport");
 }
@@ skipping 45 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