Remove worker support of Web SQL Database.

LayoutTests/fast/workers/storage/resources/sql-exception-codes-sync.js

-var dbName = "SQLExceptionCodesTest" + (new Date()).getTime();
-
-function testTransaction(db, executeStatementsCallback, expectedError)
-{
-    db.transaction(function(tx) {
-        try {
-            executeStatementsCallback(tx);
-            postMessage("FAIL: an exception (" + expectedError + ") should've been thrown.");
-        } catch (err) {
-            postMessage("LOG: " + err);
-            if (typeof err == "string" && err == expectedError)
-                postMessage("PASS: expected and got error with message " + expectedError);
-            else if (err.name == expectedError)
-                postMessage("PASS: expected and got error name " + expectedError);
-            else
-                postMessage("FAIL: expected error name " + expectedError + ", got " + err);
-        }
-      });
-}
-
-function testTransactionThrowsException(db)
-{
-    testTransaction(db, function(tx) { throw "Exception thrown in transaction callback."; }, "Exception thrown in transaction callback.");
-}
-
-function testInvalidStatement(db)
-{
-    testTransaction(db, function(tx) { tx.executeSql("BAD STATEMENT"); }, "SyntaxError");
-}
-
-function testIncorrectNumberOfBindParameters(db)
-{
-    testTransaction(db,
-                    function(tx) {
-                        tx.executeSql("CREATE TABLE IF NOT EXISTS BadBindNumberTest (Foo INT, Bar INT)");
-                        tx.executeSql("INSERT INTO BadBindNumberTest VALUES (?, ?)", [1]);
-                    }, "SyntaxError");
-}
-
-function testBindParameterOfWrongType(db)
-{
-    var badString = { };
-    badString.toString = function() { throw "Cannot call toString() on this object." };
-
-    testTransaction(db, function(tx) {
-        tx.executeSql("CREATE TABLE IF NOT EXISTS BadBindTypeTest (Foo TEXT)");
-        tx.executeSql("INSERT INTO BadBindTypeTest VALUES (?)", [badString]);
-    }, "Cannot call toString() on this object.");
-}
-
-function testQuotaExceeded(db)
-{
-    // Sometimes, SQLite automatically rolls back a transaction if executing a statement fails.
-    // This seems to be one of those cases.
-    try {
-        testTransaction(db,
-                        function(tx) {
-                            tx.executeSql("CREATE TABLE IF NOT EXISTS QuotaTest (Foo BLOB)");
-                            tx.executeSql("INSERT INTO QuotaTest VALUES (ZEROBLOB(10 * 1024 * 1024))");
-                        }, "QuotaExceededError");
-        postMessage("FAIL: Transaction should've been rolled back by SQLite.");
-    } catch (err) {
-        if (err.name == "DatabaseError")
-            postMessage("PASS: Transaction was rolled back by SQLite as expected.");
-        else
-            postMessage("FAIL: An unexpected exception was thrown: " + err);
-    }
-}
-
-function testVersionMismatch(db)
-{
-    var db2 = openDatabaseSync(dbName, "1.0", "Tests the error codes.", 1);
-    db2.changeVersion("1.0", "2.0", function(tx) { });
-    testTransaction(db,
-                    function(tx) {
-                        tx.executeSql("THIS STATEMENT SHOULD NEVER GET EXECUTED");
-                    }, "VersionError");
-}
-
-var db = openDatabaseSync(dbName, "1.0", "Tests the exception codes.", 1);
-testTransactionThrowsException(db);
-testInvalidStatement(db);
-testIncorrectNumberOfBindParameters(db);
-testBindParameterOfWrongType(db);
-testQuotaExceeded(db);
-testVersionMismatch(db);
-
-postMessage("done");