DevTools: Split out the "workspace" and "bindings" modules from "sdk"

Source/devtools/front_end/bindings/FileUtils.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 263 matching lines @@
         if (callback)
             callback(this);
         if (!this._writeCallbacks.length) {
             if (this._closed) {
                 WebInspector.fileManager.removeEventListener(WebInspector.FileManager.EventTypes.AppendedToURL, this._onAppendDone, this);
                 WebInspector.fileManager.close(this._fileName);
             }
         }
     }
 }