Remove PlatformFile from remoting

remoting/host/native_messaging/native_messaging_writer_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 "remoting/host/native_messaging/native_messaging_writer.h"
 
 #include "base/basictypes.h"
 #include "base/json/json_reader.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/platform_file.h"
 #include "base/stl_util.h"
 #include "base/values.h"
 #include "remoting/host/setup/test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace remoting {
 
 class NativeMessagingWriterTest : public testing::Test {
  public:
   NativeMessagingWriterTest();
@@ skipping 68 matching lines @@
 
 TEST_F(NativeMessagingWriterTest, FailedWrite) {
   // Close the read end so that writing fails immediately.
   read_file_.Close();
 
   base::DictionaryValue message;
   EXPECT_FALSE(writer_->WriteMessage(message));
 }
 
 }  // namespace remoting