Merge 128999 - Do touch adjustment on GestureTapDown

Tools/DumpRenderTree/chromium/TestRunner/EventSender.cpp

Index: Tools/DumpRenderTree/chromium/TestRunner/EventSender.cpp
===================================================================
--- Tools/DumpRenderTree/chromium/TestRunner/EventSender.cpp	(revision 129420)
+++ Tools/DumpRenderTree/chromium/TestRunner/EventSender.cpp	(working copy)
@@ -1188,6 +1188,10 @@
     case WebInputEvent::GestureTapDown:
         event.x = point.x;
         event.y = point.y;
+        if (arguments.size() >= 4) {
+            event.data.tapDown.width = static_cast<float>(arguments[2].toDouble());
+            event.data.tapDown.height = static_cast<float>(arguments[3].toDouble());
+        }
         break;
     case WebInputEvent::GestureTapCancel:
         event.x = point.x;