Remove (almost all of) //sky/engine/web

sky/engine/web/tests/data/touch-action-tests.js

-// Disable compositor hit testing
-document.addEventListener('touchstart', function() {});
-
-window.addEventListener('load', function() {
-  // Create any shadow DOM nodes requested by the test.
-  var shadowTrees = document.querySelectorAll('[make-shadow-dom]');
-  if (shadowTrees.length > 0 && !HTMLElement.prototype.ensureShadowRoot) {
-    document.body.innerHTML = 'ERROR: Shadow DOM not supported!';
-    return;
-  }
-  for (var i = 0; i < shadowTrees.length; i++) {
-    var tree = shadowTrees[i];
-    var host = tree.previousElementSibling;
-    if (!host.hasAttribute('shadow-host')) {
-      document.body.innerHTML = 'ERROR: make-shadow-dom node must follow a shadow-host node';
-      return;
-    }
-    tree.parentElement.removeChild(tree);
-    var shadowRoot = host.ensureShadowRoot();
-    shadowRoot.appendChild(tree);
-  }
-});
-
-/*
- * Visualization of hit test locations for manual testing.
- * To be invoked manually (so it doesn't intefere with testing).
- */
-function addMarker(x, y)
-{
-    const kMarkerSize = 6;
-    var marker = document.createElement('div');
-    marker.className = 'marker';
-    marker.style.top = (y - kMarkerSize/2) + 'px';
-    marker.style.left = (x - kMarkerSize/2) + 'px';
-    document.body.appendChild(marker);
-}
-
-function addMarkers()
-{
-  var tests = document.querySelectorAll('[expected-action]');
-  for (var i = 0; i < tests.length; i++) {
-    var r = tests[i].getClientRects()[0];
-    addMarker(r.left, r.top);
-    addMarker(r.right - 1, r.bottom - 1);
-    addMarker(r.left + r.width / 2, r.top + r.height / 2);
-  }
-}