Web Inspector: Add DirectoryContentView for FileSystemView

Web Inspector: Add DirectoryContentView for FileSystemView
https://bugs.webkit.org/show_bug.cgi?id=89961

Patch by Taiju Tsuiki <tzik@chromium.org> on 2012-07-02
Reviewed by Vsevolod Vlasov.

* WebCore.gypi:
* WebCore.vcproj/WebCore.vcproj:
* inspector/compile-front-end.py:
* inspector/front-end/DirectoryContentView.js: Added.
* inspector/front-end/FileSystemView.js:
(WebInspector.FileSystemView):
(WebInspector.FileSystemView.EntryTreeElement.prototype.onattach):
(WebInspector.FileSystemView.EntryTreeElement.prototype.onselect):
(WebInspector.FileSystemView.EntryTreeElement.prototype._directoryContentReceived):
* inspector/front-end/WebKit.qrc:
* inspector/front-end/inspector.html:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@121671 268f45cc-cd09-0410-ab3c-d52691b4dbfc