Replacing WM_TOUCH with WM_POINTER for touch events on Wins 8+

ui/aura/test/ui_controls_factory_aurawin.cc

Index: ui/aura/test/ui_controls_factory_aurawin.cc
diff --git a/ui/aura/test/ui_controls_factory_aurawin.cc b/ui/aura/test/ui_controls_factory_aurawin.cc
index 7d1d2bbe4ef0775eb35aebeb574398c83168822e..cc475db2cb4d650cd5be0e2215f672619369469c 100644
--- a/ui/aura/test/ui_controls_factory_aurawin.cc
+++ b/ui/aura/test/ui_controls_factory_aurawin.cc
@@ -75,6 +75,9 @@ class UIControlsWin : public UIControlsAura {
   bool SendMouseClick(MouseButton type) override {
     return SendMouseEvents(type, UP | DOWN);
   }
+  bool SendTouchEvents(int action, int num, int x, int y) override {
+    return SendTouchEventsImpl(action, num, x, y);
+  }
   void RunClosureAfterAllPendingUIEvents(
       const base::Closure& closure) override {
     // On windows, posting UI events is synchronous so just post the closure.