Remove worker support of Web SQL Database.

LayoutTests/fast/workers/storage/resources/execute-sql-args-sync.js

-var throwOnToStringObject = { };
-throwOnToStringObject.toString = function () { throw "Cannot call toString on this object." };
-
-var throwOnGetLengthObject = { };
-throwOnGetLengthObject.__defineGetter__("length", function () { throw "Cannot get length of this object."; });
-
-var throwOnGetZeroObject = { length: 1 };
-throwOnGetZeroObject.__defineGetter__("0", function () { throw "Cannot get 0 property of this object."; });
-
-var expectNoException = [
-    '""',
-    '"", null',
-    '"", undefined',
-    '"", []',
-    '"", [ "arg0" ]',
-    '"", { }',
-    '"", { length: 0 }',
-    '"", { length: 1, 0: "arg0" }',
-];
-
-var expectException = [
-    '',
-    'null',
-    'undefined',
-    '0',
-    'throwOnToStringObject',
-    '"", throwOnGetLengthObject',
-    '"", throwOnGetZeroObject',
-    '"", [ throwOnToStringObject ]',
-    '"", 0',
-    '"", ""',
-];
-
-function tryExecuteSql(transaction, parameterList)
-{
-    try {
-        eval('transaction.executeSql(' + parameterList + ')');
-        return null;
-    } catch (exception) {
-        return exception;
-    }
-}
-
-function runTransactionTest(transaction, parameterList, expectException)
-{
-    var exception = tryExecuteSql(transaction, parameterList);
-    if (expectException) {
-        if (exception)
-            postMessage("PASS: executeSql(" + parameterList + ") threw an exception as expected.");
-        else
-            postMessage("FAIL: executeSql(" + parameterList + ") did not throw an exception.");
-    } else {
-        if (exception)
-            postMessage("FAIL: executeSql(" + parameterList + ") threw an exception: " + exception);
-        else
-            postMessage("PASS: executeSql(" + parameterList + ") did not throw an exception.");
-    }
-}
-
-function runTransactionTests(transaction)
-{
-    for (i in expectNoException)
-        runTransactionTest(transaction, expectNoException[i], false);
-    for (i in expectException)
-        runTransactionTest(transaction, expectException[i], true);
-}
-
-var db = openDatabaseSync("ExecuteSQLArgsTest", "1.0", "Test of handling of the arguments to SQLTransactionSync.executeSql", 1);
-db.transaction(runTransactionTests);
-postMessage("done");