Move select/option/optgroup-related tests in fast/forms to fast/forms/select.

third_party/WebKit/LayoutTests/fast/forms/add-and-remove-option.html

-<p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=13287">bug 13287</a>:
-Cannot change SELECT to a dynamically created option.</p>
-<p>Test that DOM is updated before DOMNodeInserted is dispatched.</p>
-<form>
-<select ><option selected>1</option><option >2</option></select>
-<select multiple><option selected>1</option><option >2</option></select>
-<select size=5><option selected>1</option><option selected>2</option></select>
-</form>
-<div id=res></div>
-<script>
-    if (window.testRunner)
-        testRunner.dumpAsText();
-
-    function log(msg)
-    {
-        var r = document.getElementById('res');
-        r.innerHTML = r.innerHTML + "<br>" + msg;
-    }
-
-    var theSelect;
-
-    function testResults(expectedArr)
-    {
-        var resultsArr = new Array(theSelect.options.length);
-        
-        var i;
-        for (i=0; i < theSelect.options.length; i++) {
-            resultsArr[i] = theSelect.options[i].selected;
-        }
-        var successString = "Failed";
-        var success = false;
-        if (expectedArr.join() == resultsArr.join()) {
-            success = true;
-            successString = "Passed";
-        }
-        
-        log(successString);
-        if (!success) {
-            log("<pre>     Expected: " + expectedArr.join() + "<br>" + "     Actual: " + resultsArr.join() + "</pre>");
-        }
-    }
-
-    function nodeInserted()
-    {
-        if (theSelect.options.length != 3)
-            log("Incorrect options length: " + theSelect.options.length);
-        theSelect.removeChild(theSelect.firstChild);
-        if (theSelect.options.length != 2)
-            log("Incorrect options length: " + theSelect.options.length);
-    }
-
-    try {
-        theSelect = document.forms[0].elements[0];
-        theSelect.addEventListener("DOMNodeInserted", nodeInserted, true);
-        theSelect.options.add(new Option("3", "3", false, true), 0);
-        testResults([true, false], theSelect);
-
-        theSelect = document.forms[0].elements[1];
-        theSelect.addEventListener("DOMNodeInserted", nodeInserted, true);
-        theSelect.options.add(new Option("3", "3", false, true), 0);
-        testResults([true, false], theSelect);
-
-        theSelect = document.forms[0].elements[2];
-        theSelect.addEventListener("DOMNodeInserted", nodeInserted, true);
-        theSelect.insertBefore(new Option("3", "3", false, true), theSelect.firstChild);
-        testResults([false, false], theSelect);
-
-    } catch (ex) {
-        alert(ex);
-    }
-</script>