Web Inspector: Cleanup and add JSDocs to SuggestBox
https://bugs.webkit.org/show_bug.cgi?id=110202

Reviewed by Pavel Feldman.

SuggestBox contains some obsolete/unused code and not fully
covered with JSDocs.

* inspector/front-end/SuggestBox.js:
(WebInspector.SuggestBox.prototype.visible):
Replaced getter with function.
(WebInspector.SuggestBox.prototype._onScrollOrResize):
Use camel-case for function names.
(WebInspector.SuggestBox.prototype._onBoxMouseDown): Ditto.
(WebInspector.SuggestBox.prototype.updateSuggestions):
Removed unused code.
(WebInspector.SuggestBox.prototype.hide): Adopt changes.
(WebInspector.SuggestBox.prototype._applySuggestion): Ditto.
* inspector/front-end/TextPrompt.js:
(WebInspector.TextPrompt.prototype.isSuggestBoxVisible): Ditto.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143427 268f45cc-cd09-0410-ab3c-d52691b4dbfc