Initial touch-action main thread implementation

public/web/WebTouchAction.h

Index: public/web/WebTouchAction.h
diff --git a/public/platform/WebCallbacks.h b/public/web/WebTouchAction.h
similarity index 87%
copy from public/platform/WebCallbacks.h
copy to public/web/WebTouchAction.h
index 4dd0421d5043391f276ec84a6d75f3de9d0bc42d..4a07de2e747d3323ec7d980658523c37ef407814 100644
--- a/public/platform/WebCallbacks.h
+++ b/public/web/WebTouchAction.h
@@ -28,17 +28,15 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebCallbacks_h
-#define WebCallbacks_h
+#ifndef WebTouchAction_h
+#define WebTouchAction_h
 
 namespace blink {
 
-template<typename S, typename T>
-class WebCallbacks {
-public:
-    virtual ~WebCallbacks() { };
-    virtual void onSuccess(S*) { };
-    virtual void onError(T*) { };
+// Flags for permitted touch actions, specified in http://www.w3.org/TR/pointerevents/#the-touch-action-css-property.
+enum WebTouchAction {
+    WebTouchActionNone = 0,
+    WebTouchActionAuto
 };
 
 } // namespace blink