Move fileapi into its own component

webkit/fileapi/isolated_file_util.h

 // 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.
 
 #ifndef WEBKIT_FILEAPI_ISOLATED_FILE_UTIL_H_
 #define WEBKIT_FILEAPI_ISOLATED_FILE_UTIL_H_
 
 #include "base/file_path.h"
 #include "base/file_util_proxy.h"
 #include "base/platform_file.h"
+#include "webkit/fileapi/fileapi_export.h"
 #include "webkit/fileapi/file_system_file_util.h"
 
 namespace base {
 class Time;
 }
 
 namespace fileapi {
 
 class FileSystemOperationContext;
 class IsolatedContext;
 
-class IsolatedFileUtil : public FileSystemFileUtil {
+class FILEAPI_EXPORT_PRIVATE IsolatedFileUtil : public FileSystemFileUtil {
  public:
   IsolatedFileUtil();
   virtual ~IsolatedFileUtil() {}
 
   // FileSystemFileUtil overrides.
   virtual base::PlatformFileError CreateOrOpen(
       FileSystemOperationContext* context,
       const FileSystemPath& path,
       int file_flags,
       base::PlatformFile* file_handle,
@@ skipping 60 matching lines @@
   // Returns false if the given |virtual_path| is not a valid path.
   bool GetPlatformPath(const FileSystemPath& virtual_path,
                        FilePath* platform_path) const;
 
   DISALLOW_COPY_AND_ASSIGN(IsolatedFileUtil);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_ISOLATED_FILE_UTIL_H_