Move auxclick wpt test and add automation

Move auxclick manual test under uievent
in wpt as the spec got merged into UIEvent
spec. Also add the test automation.
Currently it seems that the double click
is not fully functional in GPU benchmarking.

BUG=716164

Review-Url: https://codereview.chromium.org/2851633002
Cr-Commit-Position: refs/heads/master@{#468177}

third_party/WebKit/LayoutTests/NeverFixTests

@@ -234,7 +234,6 @@ virtual/sharedarraybuffer/webaudio/codec-tests/aac [ WontFix ]
 # WPT subdirectories without owners.
 external/wpt/accelerometer [ WontFix ]
 external/wpt/assumptions [ WontFix ]
-external/wpt/auxclick [ WontFix ]
 external/wpt/clear-site-data [ WontFix ]
 external/wpt/css-values [ WontFix ]
 external/wpt/gyroscope [ WontFix ]

third_party/WebKit/LayoutTests/external/wpt/uievents/auxclick/auxclick_event-manual-expected.txt

+This is a testharness.js-based test.
+FAIL auxclick event sequence received. assert_equals: detail attribute of auxclick should be the click count. expected 2 but got 1
+PASS PointerEvent Automation 
+PASS First auxclick should have detail=1 indicating the fire click 
+FAIL Second auxclick should have detail=2 indicating the fire click assert_equals: detail attribute of auxclick should be the click count. expected 2 but got 1
+Harness: the test ran to completion.
+

third_party/WebKit/LayoutTests/external/wpt_automation/pointerevents/pointerevent_common_input.js

@@ -97,10 +97,13 @@ function mouseChordedButtonPress(targetSelector) {
   });
 }
 
-function mouseClickInTarget(targetSelector, targetFrame) {
+function mouseClickInTarget(targetSelector, targetFrame, button) {
   var targetDocument = document;
   var frameLeft = 0;
   var frameTop = 0;
+  if (button === undefined) {
+    button = 'left';
+  }
   if (targetFrame !== undefined) {
     targetDocument = targetFrame.contentDocument;
     var frameRect = targetFrame.getBoundingClientRect();
@@ -119,8 +122,8 @@ function mouseClickInTarget(targetSelector, targetFrame) {
             source: 'mouse',
             actions: [
               {name: 'pointerMove', x: xPosition, y: yPosition},
-              {name: 'pointerDown', x: xPosition, y: yPosition},
-              {name: 'pointerUp'}
+              {name: 'pointerDown', x: xPosition, y: yPosition, button: button},
+              {name: 'pointerUp', button: button}
             ]
           }],
           resolve);

third_party/WebKit/LayoutTests/external/wpt_automation/uievents/auxclick/auxclick_event-manual-automation.js

+importAutomationScript('/pointerevents/pointerevent_common_input.js');
+
+function inject_input() {
+  return mouseClickInTarget('#target', undefined, 'middle').then(function() {
+    return mouseClickInTarget('#target', undefined, 'middle');
+  });
+}