https://bugs.webkit.org/show_bug.cgi?id=127443

Reviewed by Joseph Pecoraro.

* UserInterface/GeneralTreeElementPathComponent.js:
(WebInspector.GeneralTreeElementPathComponent.prototype.get previousSibling):
(WebInspector.GeneralTreeElementPathComponent.prototype.get nextSibling):
Skip hidden siblings.

* UserInterface/OverviewTimelineView.js:
(WebInspector.OverviewTimelineView.prototype.updateLayout):
(WebInspector.OverviewTimelineView.prototype.get selectionPathComponents):
Don't include hidden selection and dispatch SelectionPathComponentsDidChange event if hidden changes.

* UserInterface/TimelineContentView.js:
(WebInspector.TimelineContentView.prototype._timeRangeSelectionChanged):
Dispatch SelectionPathComponentsDidChange event if hidden changes on the selected tree element.

* UserInterface/TimelineView.js:
(WebInspector.TimelineView.prototype.get selectionPathComponents):
Don't include hidden selection.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@162561 268f45cc-cd09-0410-ab3c-d52691b4dbfc