Move middle-click autoscroll to synthetic fling.

third_party/WebKit/LayoutTests/fast/events/resources/middleClickAutoscroll.js

Index: third_party/WebKit/LayoutTests/fast/events/resources/middleClickAutoscroll.js
diff --git a/third_party/WebKit/LayoutTests/fast/events/resources/middleClickAutoscroll.js b/third_party/WebKit/LayoutTests/fast/events/resources/middleClickAutoscroll.js
index 73de8b2f999510a65345e33ee976a7b69abdd9cc..f1763b8405b0c55f292daa69a672cca552e2c5d7 100644
--- a/third_party/WebKit/LayoutTests/fast/events/resources/middleClickAutoscroll.js
+++ b/third_party/WebKit/LayoutTests/fast/events/resources/middleClickAutoscroll.js
@@ -50,6 +50,8 @@ function testPanScroll(param)
             return;
         scrolled = true;
         testPassed('autoscroll started');
+        var cursorInfo = window.internals.getCurrentCursorInfo();
+        debug("Mouse cursor shape: " + cursorInfo);
 
         if (window.eventSender) {
             if (param.clickOrDrag == 'click')
@@ -64,6 +66,12 @@ function testPanScroll(param)
         noMoreScroll = true;
         window.setTimeout(function() {
             testPassed('autoscroll stopped');
+            var cursorInfo = window.internals.getCurrentCursorInfo();
+            if (cursorInfo == "type=Pointer hotSpot=0,0" || cursorInfo == "type=IBeam hotSpot=0,0")
+                 testPassed('Mouse cursor cleared');
+            else
+                 testFailed('Mouse cursor shape: ' + cursorInfo);
+
             finishTest();
         }, autoscrollInterval * 2);
     };