Remove Windows support from the EDK.

mojo/edk/test/multiprocess_test_helper_unittest.cc

 // Copyright 2013 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 "mojo/edk/test/multiprocess_test_helper.h"
 
+#include <fcntl.h>
+
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "mojo/edk/test/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-#if defined(OS_POSIX)
-#include <fcntl.h>
-#endif
-
 namespace mojo {
 namespace test {
 namespace {
 
 bool IsNonBlocking(const embedder::PlatformHandle& handle) {
-#if defined(OS_WIN)
-  // Haven't figured out a way to query whether a HANDLE was created with
-  // FILE_FLAG_OVERLAPPED.
-  return true;
-#else
   return fcntl(handle.fd, F_GETFL) & O_NONBLOCK;
-#endif
 }
 
 bool WriteByte(const embedder::PlatformHandle& handle, char c) {
   size_t bytes_written = 0;
   BlockingWrite(handle, &c, 1, &bytes_written);
   return bytes_written == 1;
 }
 
 bool ReadByte(const embedder::PlatformHandle& handle, char* c) {
   size_t bytes_read = 0;
@@ skipping 146 matching lines @@
   EXPECT_FALSE(MultiprocessTestHelper::client_platform_handle.is_valid())
       << "DISREGARD: Expected failure #1 in child process";
   EXPECT_FALSE(
       IsNonBlocking(MultiprocessTestHelper::client_platform_handle.get()))
       << "DISREGARD: Expected failure #2 in child process";
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo