Web Inspector: Make DirectoryContentView sortable

Web Inspector: Make DirectoryContentView sortable
https://bugs.webkit.org/show_bug.cgi?id=90361

Patch by Taiju Tsuiki <tzik@chromium.org> on 2012-07-03
Reviewed by Vsevolod Vlasov.

Source/WebCore:

* inspector/Inspector.json:
* inspector/InspectorFileSystemAgent.cpp:
(WebCore):
* inspector/front-end/DirectoryContentView.js:
(WebInspector.DirectoryContentView):
(WebInspector.DirectoryContentView.prototype.showEntries):
(WebInspector.DirectoryContentView.prototype._sort):
(WebInspector.DirectoryContentView.Node.comparator.isDirectoryCompare):
(WebInspector.DirectoryContentView.Node.comparator.nameCompare):
(WebInspector.DirectoryContentView.Node.comparator.typeCompare):
(WebInspector.DirectoryContentView.Node.comparator.sizeCompare):
(WebInspector.DirectoryContentView.Node.comparator):
(WebInspector.DirectoryContentView.Node.prototype._metadataReceived):

LayoutTests:

* http/tests/inspector/filesystem/get-metadata-expected.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@121748 268f45cc-cd09-0410-ab3c-d52691b4dbfc