Bookkeep the pointer event listeners added to page

third_party/WebKit/LayoutTests/inspector/tracing/timeline-misc/timeline-event-dispatch-expected.txt

Index: third_party/WebKit/LayoutTests/inspector/tracing/timeline-misc/timeline-event-dispatch-expected.txt
diff --git a/third_party/WebKit/LayoutTests/inspector/tracing/timeline-misc/timeline-event-dispatch-expected.txt b/third_party/WebKit/LayoutTests/inspector/tracing/timeline-misc/timeline-event-dispatch-expected.txt
index c510bc8710bebcfecb672db662b06115fffbc6fa..289f5295bba2e33546ebe53f9fd097f7628782ad 100644
--- a/third_party/WebKit/LayoutTests/inspector/tracing/timeline-misc/timeline-event-dispatch-expected.txt
+++ b/third_party/WebKit/LayoutTests/inspector/tracing/timeline-misc/timeline-event-dispatch-expected.txt
@@ -2,18 +2,6 @@ Tests the Timeline API instrumentation of a DOM Dispatch (mousedown)
 
 Test Mouse Target
 EventDispatch Properties:
-{
-    data : {
-        stackTrace : <object>
-        type : "pointerover"

[Navid Zolghadr, 2017/06/06 19:09:21]

Dave, I don't recall the purpose of this test particularly. But on a second
thought, should we just add the pointer event listener to the test so we keep
these in the expected file instead or do you think this is alright?

-    }
-    endTime : <number>
-    stackTrace : <object>
-    startTime : <number>
-    type : "EventDispatch"
-}
-Text details for EventDispatch: pointerover
-EventDispatch Properties:
 {
     data : {
         stackTrace : <object>
@@ -26,18 +14,6 @@ EventDispatch Properties:
 }
 Text details for EventDispatch: mouseover
 EventDispatch Properties:
-{
-    data : {
-        stackTrace : <object>
-        type : "pointermove"
-    }
-    endTime : <number>
-    stackTrace : <object>
-    startTime : <number>
-    type : "EventDispatch"
-}
-Text details for EventDispatch: pointermove
-EventDispatch Properties:
 {
     data : {
         stackTrace : <object>
@@ -50,18 +26,6 @@ EventDispatch Properties:
 }
 Text details for EventDispatch: mousemove
 EventDispatch Properties:
-{
-    data : {
-        stackTrace : <object>
-        type : "pointerdown"
-    }
-    endTime : <number>
-    stackTrace : <object>
-    startTime : <number>
-    type : "EventDispatch"
-}
-Text details for EventDispatch: pointerdown
-EventDispatch Properties:
 {
     data : {
         stackTrace : <object>