Remove stray platform_file.h from content

content/browser/fileapi/transient_file_util_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 "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/platform_file.h"
 #include "base/run_loop.h"
 #include "content/public/test/test_file_system_context.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_operation_context.h"
 #include "webkit/browser/fileapi/isolated_context.h"
 #include "webkit/browser/fileapi/transient_file_util.h"
 #include "webkit/common/blob/scoped_file.h"
 
 using fileapi::FileSystemURL;
@@ skipping 96 matching lines @@
   base::RunLoop().RunUntilIdle();
 
   // Now the temporary file and the transient filesystem must be gone too.
   ASSERT_FALSE(base::PathExists(temp_path));
   ASSERT_EQ(base::File::FILE_ERROR_NOT_FOUND,
             file_util()->GetFileInfo(NewOperationContext().get(),
                                      temp_url, &file_info, &path));
 }
 
 }  // namespace content