Web Inspector: add probe breakpoint action to popup breakpoint editor

https://bugs.webkit.org/show_bug.cgi?id=126931

Reviewed by Timothy Hatcher.

Add probes to the breakpoint action dropdown.
Reuse the "evaluate JavaScript" input UI.

* Localizations/en.lproj/localizedStrings.js:
* UserInterface/BreakpointAction.js:
* UserInterface/BreakpointActionView.js:
(WebInspector.BreakpointActionView.displayStringForType):
(WebInspector.BreakpointActionView.prototype._updateBody.switch.break):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@162136 268f45cc-cd09-0410-ab3c-d52691b4dbfc