Revert "Implement a Hit Test Cache for same point hits."

LayoutTests/fast/events/hit-test-counts-expected.txt

Index: LayoutTests/fast/events/hit-test-counts-expected.txt
diff --git a/LayoutTests/fast/events/hit-test-counts-expected.txt b/LayoutTests/fast/events/hit-test-counts-expected.txt
index 4c52d990b798877f3e582caeedcd2ffd5320b2b3..129629297899353966c8823ca6e4ada8d0d7836c 100644
--- a/LayoutTests/fast/events/hit-test-counts-expected.txt
+++ b/LayoutTests/fast/events/hit-test-counts-expected.txt
@@ -6,82 +6,76 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
 PASS successfullyParsed is true
 
 TEST COMPLETE
-PASS successfullyParsed is true
-
-TEST COMPLETE
 Event on a simple div
 ---------------------
-Initial: 0+0
-MouseMove: 1+0
-MouseDown: 1+2
-MouseUp: 0+1
-Wheel: 0+1
-TouchStart: 1+0
-TouchMove: 0+0
-TouchEnd: 0+0
-GestureTapDown: 1+1
-GestureShowPress: 1+1
-GestureTap: 1+3 [with multiTargetTapNotification: 1+4]
-GestureScrollBegin: 0+1
-GestureTapCancel: 1+0
-GestureScrollUpdate: 0+0
-GestureScrollEnd: 0+0
+Initial: 0
+MouseMove: 1
+MouseDown: 3
+MouseUp: 1
+Wheel: 1
+TouchStart: 1
+TouchMove: 0
+TouchEnd: 0
+GestureTapDown: 2
+GestureShowPress: 2
+GestureTap: 4 [with multiTargetTapNotification: 5]
+GestureScrollBegin: 1
+GestureTapCancel: 1
+GestureScrollUpdate: 0
+GestureScrollEnd: 0
 
 Event entirely over one iframe nested in another
 ---------------------
-Initial: 0+0 0+0 0+0
-MouseMove: 1+0 1+0 1+0
-MouseDown: 1+1 1+1 1+1
-MouseUp: 0+1 0+1 0+1
-Wheel: 0+1 0+1 0+1
-TouchStart: 1+0 1+0 1+0
-TouchMove: 0+0 0+0 0+0
-TouchEnd: 0+0 0+0 0+0
-GestureTapDown: 1+0 1+0 1+1
-GestureShowPress: 1+0 1+0 1+1
-GestureTap: 1+0 1+0 1+3
-GestureScrollBegin: 0+1 0+1 0+1
-GestureTapCancel: 1+0 1+0 1+0
-GestureScrollUpdate: 0+0 0+0 0+0
-GestureScrollEnd: 0+0 0+0 0+0
+Initial: 0 0 0
+MouseMove: 1 1 1
+MouseDown: 2 2 2
+MouseUp: 1 1 1
+Wheel: 1 1 1
+TouchStart: 1 1 1
+TouchMove: 0 0 0
+TouchEnd: 0 0 0
+GestureTapDown: 1 1 2
+GestureShowPress: 1 1 2
+GestureTap: 1 1 4
+GestureScrollBegin: 1 1 1
+GestureTapCancel: 1 1 1
+GestureScrollUpdate: 0 0 0
+GestureScrollEnd: 0 0 0
 
 Event near boundary of two iframes
 ---------------------
-Initial: 0+0 0+0 0+0
-MouseMove: 1+0 1+0 0+0
-MouseDown: 1+1 1+1 0+0
-MouseUp: 0+1 0+1 0+0
-Wheel: 0+1 0+1 0+0
-TouchStart: 1+0 1+0 0+0
-TouchMove: 0+0 0+0 0+0
-TouchEnd: 0+0 0+0 0+0
-GestureTapDown: 1+0 4+0 16+0
-GestureShowPress: 1+0 4+0 16+0
-GestureTap: 1+0 4+0 16+0
-GestureScrollBegin: 0+1 0+1 0+0
-GestureTapCancel: 1+0 0+1 0+0
-GestureScrollUpdate: 0+0 0+0 0+0
-GestureScrollEnd: 0+0 0+0 0+0
+Initial: 0 0 0
+MouseMove: 1 1 0
+MouseDown: 2 2 0
+MouseUp: 1 1 0
+Wheel: 1 1 0
+TouchStart: 1 1 0
+TouchMove: 0 0 0
+TouchEnd: 0 0 0
+GestureTapDown: 1 4 16
+GestureShowPress: 1 4 16
+GestureTap: 1 4 16 [with multiTargetTapNotification: 2 8 32]
+GestureScrollBegin: 1 1 0
+GestureTapCancel: 1 1 0
+GestureScrollUpdate: 0 0 0
+GestureScrollEnd: 0 0 0
 
 Event on a simple div (desktop viewport)
 ---------------------
-Initial: 0+0
-MouseMove: 1+0
-MouseDown: 1+2
-MouseUp: 0+1
-Wheel: 0+1
-TouchStart: 1+0
-TouchMove: 0+0
-TouchEnd: 0+0
-GestureTapDown: 1+1
-GestureShowPress: 1+1
-GestureTap: 1+3 [with multiTargetTapNotification: 2+4]
-GestureScrollBegin: 0+1
-GestureTapCancel: 1+0
-GestureScrollUpdate: 0+0
-GestureScrollEnd: 0+0
+Initial: 0
+MouseMove: 1
+MouseDown: 3
+MouseUp: 1
+Wheel: 1
+TouchStart: 1
+TouchMove: 0
+TouchEnd: 0
+GestureTapDown: 2
+GestureShowPress: 2
+GestureTap: 4 [with multiTargetTapNotification: 6]
+GestureScrollBegin: 1
+GestureTapCancel: 1
+GestureScrollUpdate: 0
+GestureScrollEnd: 0
 
-PASS successfullyParsed is true
-
-TEST COMPLETE