Web Inspector: Save and restore tab state on reload and between sessions

Web Inspector: Save and restore tab state on reload and between sessions
https://bugs.webkit.org/show_bug.cgi?id=144202

Reviewed by Joseph Pecoraro.

* UserInterface/Base/Main.js:
(WebInspector.contentLoaded):
(WebInspector._mainResourceDidChange):
(WebInspector._provisionalLoadStarted):
(WebInspector._restoreCookieForOpenTabs):
(WebInspector._saveCookieForOpenTabs):
(WebInspector._pageHidden):
* UserInterface/Views/TabContentView.js:
(WebInspector.TabContentView):
(WebInspector.TabContentView.prototype.restoreStateFromCookie):
(WebInspector.TabContentView.prototype.saveStateToCookie):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@183340 268f45cc-cd09-0410-ab3c-d52691b4dbfc