Remove FileRef, FileIO and DirectoryReader PPAPI tests from ui_tests...

chrome/test/ui/ppapi_uitest.cc

 // Copyright (c) 2010 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 "build/build_config.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/ui/ui_test.h"
@@ skipping 117 matching lines @@
   RunTest("UrlUtil");
 }
 
 TEST_F(PPAPITest, CharSet) {
   RunTest("CharSet");
 }
 
 TEST_F(PPAPITest, Var) {
   RunTest("Var");
 }
-
-TEST_F(PPAPITest, FileRef) {
-  RunTestViaHTTP("FileRef");
-}
-
-TEST_F(PPAPITest, FileIO) {
-  RunTestViaHTTP("FileIO");
-}
-
-TEST_F(PPAPITest, DirectoryReader) {
-  RunTestViaHTTP("DirectoryReader");
-}