from view-source.css for the DOCTYPE in the DOM tree.

Reviewed by Adam Roben.

* css/view-source.css: Add and correct comments about keeping
in-sync with inspector.css.
* page/inspector/ElementsPanel.js:
(WebInspector.DocumentPanel.prototype.updateBreadcrumb):
Add a case for Node.DOCUMENT_TYPE_NODE.
* page/inspector/inspector.css: Add a rule for .webkit-html-doctype.
* page/inspector/utilities.js:
(nodeTitleInfo): Use the webkit-html-doctype class for nodes
with Node.DOCUMENT_TYPE_NODE.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@31639 268f45cc-cd09-0410-ab3c-d52691b4dbfc