Remove worker support of Web SQL Database.

LayoutTests/http/tests/workers/resources/sync-operations.js

Index: LayoutTests/http/tests/workers/resources/sync-operations.js
diff --git a/LayoutTests/http/tests/workers/resources/sync-operations.js b/LayoutTests/http/tests/workers/resources/sync-operations.js
index 89554246ad085151303c78d8735529d9b686ef3f..242a031153f6c6032e93d01f4ee2f6ef146278f1 100644
--- a/LayoutTests/http/tests/workers/resources/sync-operations.js
+++ b/LayoutTests/http/tests/workers/resources/sync-operations.js
@@ -20,9 +20,7 @@ onmessage = function(evt)
         // Increase the change of getting caught doing a sync operation
         // by repeating the opration multiple times.
         for (var i = 0; i < 10; ++i) {
-            if (evt.data == 'openDatabaseSync')
-                openDatabaseSync('', '', '', 1);
-            else if (evt.data == 'requestFileSystemSync') {
+            if (evt.data == 'requestFileSystemSync') {
                 if (!this.webkitRequestFileSystemSync)
                     return;
                 webkitRequestFileSystemSync(this.TEMPORARY, 100);