Fixes <https://bugs.webkit.org/show_bug.cgi?id=30752>.

Fixes <https://bugs.webkit.org/show_bug.cgi?id=30752>.
Web Inspector: Multiple Selection on Scope Bars by default Conflicts with other behavior on OSX.

Reviewed by Timothy Hatcher.

Have the scope bars select one scope by default, but if the multiple selection key
is pressed, allow for multiple selection.

* inspector/front-end/ConsoleView.js:
(WebInspector.ConsoleView):
(WebInspector.ConsoleView.prototype._updateFilter):
(WebInspector.ConsoleView.prototype.filter):
* inspector/front-end/ResourcesPanel.js:
(WebInspector.ResourcesPanel):
(WebInspector.ResourcesPanel.prototype.filter):
(WebInspector.ResourcesPanel.prototype._updateFilter):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@50038 268f45cc-cd09-0410-ab3c-d52691b4dbfc