Sync the Touch-related interfaces with the two specs

Source/core/events/TouchEvent.idl

Index: Source/core/events/TouchEvent.idl
diff --git a/Source/core/events/TouchEvent.idl b/Source/core/events/TouchEvent.idl
index 36f0ac54e642045d718217083cb4c65426c62fc1..59010892a784949750b9d32a28158fb0c62aeb70 100644
--- a/Source/core/events/TouchEvent.idl
+++ b/Source/core/events/TouchEvent.idl
@@ -22,15 +22,19 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
+// http://www.w3.org/TR/touch-events/#touchevent-interface
+
 interface TouchEvent : UIEvent {
     readonly attribute TouchList touches;
     readonly attribute TouchList targetTouches;
     readonly attribute TouchList changedTouches;
-    readonly attribute boolean ctrlKey;
-    readonly attribute boolean shiftKey;
     readonly attribute boolean altKey;
     readonly attribute boolean metaKey;
+    readonly attribute boolean ctrlKey;
+    readonly attribute boolean shiftKey;
 
+    // FIXME: initTouch() is not yet standardized.
     void initTouchEvent([Default=Undefined] optional TouchList touches,
                         [Default=Undefined] optional TouchList targetTouches,
                         [Default=Undefined] optional TouchList changedTouches,