Pass correct client coordinates for mouse events synthesized from a GestureTap

LayoutTests/fast/events/touch/gesture/gesture-tap-frame-scrolled-expected.txt

Index: LayoutTests/fast/events/touch/gesture/gesture-tap-frame-scrolled-expected.txt
diff --git a/LayoutTests/fast/events/touch/gesture/gesture-tap-frame-scrolled-expected.txt b/LayoutTests/fast/events/touch/gesture/gesture-tap-frame-scrolled-expected.txt
index 87c3ce7f720a05f3f446fdbefe06b9ea1e815f82..36ab5d3fd0d67df3d819ee886e6fdea777e56536 100644
--- a/LayoutTests/fast/events/touch/gesture/gesture-tap-frame-scrolled-expected.txt
+++ b/LayoutTests/fast/events/touch/gesture/gesture-tap-frame-scrolled-expected.txt
@@ -4,29 +4,29 @@ Verifies that a tap occuring in a scrolled iframe has the correct co-ordinates
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-Sending GestureTapDown to 25,19
+Sending GestureTapDown to 25,22
 Sending GestureShowPress
 Sending GestureTap
 Received mousemove in child frame
 PASS event.screenX is point.x
 PASS event.screenY is point.y
-PASS event.clientX is 50 / 2
-PASS event.clientY is 50 / 2 + 7
+PASS event.clientX is point.x
+PASS event.clientY is point.y + scrollOffset
 Received mousedown in child frame
 PASS event.screenX is point.x
 PASS event.screenY is point.y
-PASS event.clientX is 50 / 2
-PASS event.clientY is 50 / 2 + 7
+PASS event.clientX is point.x
+PASS event.clientY is point.y + scrollOffset
 Received mouseup in child frame
 PASS event.screenX is point.x
 PASS event.screenY is point.y
-PASS event.clientX is 50 / 2
-PASS event.clientY is 50 / 2 + 7
+PASS event.clientX is point.x
+PASS event.clientY is point.y + scrollOffset
 Received click in child frame
 PASS event.screenX is point.x
 PASS event.screenY is point.y
-PASS event.clientX is 50 / 2
-PASS event.clientY is 50 / 2 + 7
+PASS event.clientX is point.x
+PASS event.clientY is point.y + scrollOffset
 PASS eventReceived.mousemove is true
 PASS eventReceived.mousedown is true
 PASS eventReceived.mouseup is true