PPAPI: Add new PPB_FileRef.MakeDirectory to support exclusive operation

ppapi/tests/test_file_io.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 "ppapi/tests/test_file_io.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <string.h>
@@ skipping 278 matching lines @@
 std::string TestFileIO::TestOpenDirectory() {
   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 
   pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
   callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(PP_OK, callback.result());
 
   // Make a directory.
   pp::FileRef dir_ref(file_system, "/test_dir_open_directory");
-  callback.WaitForResult(dir_ref.MakeDirectory(callback.GetCallback()));
+  callback.WaitForResult(dir_ref.MakeDirectory(
+      PP_MAKEDIRECTORYFLAG_NONE, callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(PP_OK, callback.result());
 
   // Open the directory. This is expected to fail since directories cannot be
   // opened.
   pp::FileIO file_io(instance_);
   callback.WaitForResult(file_io.Open(dir_ref, PP_FILEOPENFLAG_READ,
                                       callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(PP_ERROR_NOTAFILE, callback.result());
@@ skipping 1032 matching lines @@
   if ((invalid_combination && callback.result() == PP_OK) ||
       (!invalid_combination &&
        ((callback.result() == PP_OK) != create_if_doesnt_exist))) {
     return ReportOpenError(open_flags);
   }
 
   return std::string();
 }
 
 // TODO(viettrungluu): Test Close(). crbug.com/69457